Alison Zeglen
Montessori Educator and Environmental Advocate
Authentic Institute of Montessori
Alison Zeglen discovered her passion for Montessori education in 2012 and has been a dedicated Montessori educator ever since. She holds a B.S. in Education K-8 and Montessori credentials in Elementary I and II from the Houston Montessori Centre. Alison further pursued her love for education and environmental stewardship with an M.Ed. in Montessori Integrated Learning, where she focused on environmental education, and is currently working towards her PhD at Coastal Carolina University, specialising in curriculum development, with an emphasis on sustainability education.
With over ten years of Montessori teaching experience in diverse locations such as Bozeman, Montana, the Cayman Islands, and Wellington, New Zealand, Alison is committed to cultivating a sense of wonder and care for the Earth in her students. She also works with the Authentic Institute of Montessori, training future educators in elementary Montessori practices. Her approach is centred on inspiring curiosity, compassion, and environmental consciousness in children, fostering a deep love for the natural world.
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Montessori Educator and Environmental Advocate
Authentic Institute of Montessori
Barbara Isaacs
President
Montessori Europe
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President
Montessori Europe
Adolescent Students
Adolescents
Bærum Montessori, daVinci Montessori, Drøbak Montessori
The adolescent students from Bærum Montessori School, Drøbak Montessori School, and daVinci Montessori School represent the next generation of environmental stewards, critical thinkers, and community leaders. These students embody the Montessori philosophy of "education for life" by taking active roles in shaping both their learning environments and their broader communities.
These young leaders have already made significant contributions within their schools and are eager to share their insights on how to create inclusive, sustainable, and dynamic learning environments. Together, they represent the voice of the future—one committed to shaping a more sustainable and equitable world.
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Adolescents
Bærum Montessori, daVinci Montessori, Drøbak Montessori
Nina Johansen
Executive Director
Montessori Norway
Nina Johansen has served as the Executive Director of Montessori Norway, the national membership and advocacy organisation for Montessori programmes in Norway, since 2015. With a solid foundation in Montessori education, Nina has worked both as a teacher and in management within Montessori schools. She holds an AMI 6-12 diploma from the University of Southeastern Norway and a formal teaching degree from Oslo Metropolitan University. Nina is also a dedicated Montessori parent to two children, aged 9 and 11.
In her role, Nina acts as a bridge between the Montessori community, national authorities, and other educational stakeholders, working tirelessly to amplify Montessori's voice within the education sector and society. She is particularly passionate about how Montessori programmes can serve as comprehensive models for Education for Sustainable Development. Nina was instrumental in establishing a partnership between Montessori programmes in Norway and the Norwegian University of Life Sciences (often called the Sustainability University) to create sustainable gardening programs.
Nina has been a speaker on sustainability and Montessori at the AMI’s Annual General Meeting in 2023 and 2024. In 2023, she presented at the United Nations Climate Conference (COP28) in Dubai, delivering a talk titled “Montessori Climate Education in Action.” Additionally, through a collaboration with the University of Southeastern Norway, Nina has contributed to professional development for public school teachers, focusing on how the food and lunch experience in schools can become a valuable opportunity to engage with sustainability.
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Executive Director
Montessori Norway
Heidi van Staden
Principal
The Montessori Academy and College, South Africa
Heidi van Staden is the co-founder, co-owner, and principal of the Montessori Academy and College in Pretoria, a school for children from toddler through to A-level. She is also a founding director of Montessori Centre South Africa, which provides Montessori training across Southern and Central Africa.
Alongside a BA in Psychology and Communications and a PGCE from the University of South Africa, Heidi also holds Montessori diplomas for ages 2½ - 12 years. She has also completed the Montessori Orientation to Adolescence program with NAMTA/AMI in Cleveland, Ohio and recently earned her Master’s Degree in Montessori Education through Anglia Ruskin University in the UK.
Passionate about quality education and the training of exceptional Montessori teachers, Heidi views each child as holding the potential for humanity’s future. Her commitment to this "Secret of Childhood" shapes both her school and training programs. Recently, she has become increasingly focused on promoting ongoing professional development for Montessori educators, aiming to inspire Montessorians to remain connected through their shared mission: nurturing the child, the builder of humankind.
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Principal
The Montessori Academy and College, South Africa
Carola Lång Howard
Principal
Little Gems Montessori School, Cyprus
Carola Lång-Howard is originally from Sweden and now resides in Cyprus. With over 30 years of experience as a Montessorian, she has lived and worked in various countries across Europe and the Middle East, gaining rich insights into diverse cultures. A dedicated mother and grandmother, Carola has a deep passion for environmental stewardship, focusing on teaching young children to care for our planet from an early age. Since 2020, she has served on the board of Montessori Europe, where she leads the Sustainability Working Group.
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Principal
Little Gems Montessori School, Cyprus
Ronny Lyseggen
Montessori Educator and Trainer
Waterpark Montessori International
Ronny Lyseggen has been involved in Montessori pedagogy for 19 years, beginning his journey as an assistant at Drøbak Montessori School. He holds Montessori diplomas for ages 6-9 and 9-12 from Waterpark Montessori and has specialised training in ADHD, Tourette's Syndrome, and Asperger’s Syndrome. Ronny has co-authored a Food and Health book for middle school students, aligned with the national curriculum. He also has international teaching experience, having volunteered in Ghana.
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Montessori Educator and Trainer
Waterpark Montessori International
Kajsa Olsson Falk
Montessori Educator and Trainer
Montessoriskola Anne Frank in Stockholm, Sweden
Kajsa Olsson Falk is an experienced Montessori educator and principal at Montessoriskola Anne Frank in Stockholm, Sweden. With over 23 years of teaching experience and 5.5 years as a principal, Kajsa has dedicated her career to maintaining high-quality Montessori education in Sweden and Norway. She holds Montessori diplomas for the age groups 2.5-6 years, 6-9 years, and 9-12 years. Kajsa has also been a trainer at Waterpark Montessori International since 2013, where she continues to work towards elevating Montessori education standards in the region.
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Montessori Educator and Trainer
Montessoriskola Anne Frank in Stockholm, Sweden
Maria Chaffin
Founder and Owner
Seeds of Life Montessori Academy
Maria Eva Chaffin is the founder and owner of Seeds of Life Montessori Academy. She holds a Master of Science in Exceptional Student Education, a Master’s Degree in Business Education, and a Bachelor’s in Special Education. She is also a certified Montessori Teacher in early childhood. With over 24 years of teaching experience, including 15 years in the Montessori field, Maria Eva is widely recognised for her expertise in Montessori education and her work with neurodivergent students.
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Founder and Owner
Seeds of Life Montessori Academy
Chris Willemsen
Global Brand Manager
Nienhuis Montessori
Chris has been working for the world’s leading Montessori material manufacturer, Nienhuis Montessori, for nearly two decades. He represents Nienhuis in the international Montessori network, leading both the product development and marketing teams with ideas and content. He has a degree in international marketing and is Montessori-trained at both 3–6 and 6–12 levels. He has observed Montessori education in many different cultures, varieties and standards. During his presence at many (inter)national conferences, and working with many Montessori organisations and specialists, he has gained a wealth of in-depth Montessori knowledge, which he is always willing to share.
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Global Brand Manager
Nienhuis Montessori
Daniel Robinson (Robin) Howe
Montessori Educator and Consultant
The Montessori Foundation
Dr. Daniel Robinson (Robin) Howe began his Montessori journey at the age of two, attending the Barrie School in Silver Spring, Maryland, through the eighth grade. He later graduated from Dickinson College with dual majors in Spanish and Religion, and went on to earn a Master’s Degree in Bioethics from the University of South Florida. After a successful career in the restaurant industry, Robin returned to his Montessori roots, earning certification from Palm Harbor Montessori School (AMS) and later obtaining both Lower and Upper Elementary certification through St. Catherine’s University (AMS). He also completed NAMTA’s Orientation to Adolescent Studies (AMI).
Robin holds a Doctorate in Educational Leadership from Argosy University and has been a key contributor to The Montessori Foundation’s management team at NewGate, the Foundation’s lab school, where he served as Co-Head of School and Senior Montessori Foundation School Consultant. His diverse background and extensive Montessori training make him a trusted voice in the Montessori community.
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Montessori Educator and Consultant
The Montessori Foundation
Paul Epstein
Montessori Educator, Consultant, and Systems Thinker
Montessori
Paul Epstein has spent over 50 years immersed in Montessori education, consulting with new and established Montessori early childhood, elementary, and secondary schools across the US, Europe, and Asia. He has also been instrumental in developing and leading Montessori teacher and administrator certification programs in North America and Asia. Paul's deep commitment to Montessori principles and his expertise as a teacher, administrator, director of teacher training, university professor, author, and conference speaker have made him a guiding force in the Montessori community.
“For over 50 years, children have been, and will continue to be, my teachers. They are most patient with me as I learn how to serve as a teacher, administrator, director of teacher training, university professor, author, and conference speaker.”
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Montessori Educator, Consultant, and Systems Thinker
Montessori
Iliana Morelli
CEO and co-founder
Boboto
Iliana Morelli holds a degree in Communication Sciences from the University of Perugia (Italy) and a Master’s in Coordination of Early Childhood Educational Services from the Centro Studi Montessori of Roma Tre University. She has also obtained a Specialisation Diploma in the Montessori method for early childhood education. Iliana is the CEO and co-founder of Boboto, a benefit corporation that engages in the artisanal production of Montessori materials using high-tech technologies and provides training for educators and parents on Montessori education.
An accomplished author, Iliana has published two books in the Play and Learn with the Montessori Method series, edited by Grazia Honegger Fresco, and contributed a chapter to The Montessori Method Today, published by Erickson. She has written numerous articles for educational journals and is currently pursuing a PhD in Education, Cultures, and Languages at LUMSA University in Rome, under the supervision of Prof. Raniero Regni and Paola Trabalzini. Iliana is a sought-after speaker and trainer for national events and courses, focusing on Montessori education, S.T.E.A.M., and educational robotics with a Montessori approach.
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CEO and co-founder
Boboto
Eirik Sjåholm Knudsen
Professor of Strategy
NHH Norwegian School of Economics
Eirik Sjåholm Knudsen is a Professor of Strategy at NHH Norwegian School of Economics, where he is also the Academic Director for the EMBA in Strategy. He does research at the intersection of strategy, innovation and technology, and teaches these subjects at undergraduate, graduate and executive programmes at NHH and abroad. Beyond academia, he is a co-founder of OAO, a German tech firm that helps multinational companies accelerating progress with data and AI, and is a board member of the Business cluster NCE Finance Innovation. He will be accompanied on stage by his son Theis, who is currently a 3rd grader at DaVinci Montessori, in Bergen, Norway.
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Professor of Strategy
NHH Norwegian School of Economics
Aleksandra Zarosa
Dedicated psychologist and passionate Montessorian
Waterpark Montessori International
Aleksandra Zarosa is a dedicated psychologist and passionate Montessorian with over two decades of experience in Montessori education. She holds an MA in Psychology from the University of Opole, Poland, a background that has been invaluable in her role as a Montessori guide and trainer. Aleksandra also holds Montessori qualifications in Early Childhood (3-6) and Lower Elementary (6-9), as well as a Diploma in Crèche Management and a Certificate in First Line Management from The College of Progressive Education in Blackrock, Ireland.
Since 2004, Aleksandra has worked across Montessori preschools and schools in both Ireland and Norway, gaining extensive pedagogical experience. Her deep commitment to inclusive education is evident through her active involvement in supporting children with special needs, a field she considers her “natural interest.” Aleksandra believes in the power of Montessori to embrace diversity and foster an environment where all children can thrive, regardless of their learning needs.
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Dedicated psychologist and passionate Montessorian
Waterpark Montessori International
Hannah Baynham
Director of Learning and Professional Development
American Montessori Society
Hannah Baynham (she/her) serves as the Director of Learning and Professional Development at the American Montessori Society and is the co-founder of Collaborative Montessori. With a rich background in Early Childhood Education, both as a classroom educator and a teacher trainer, Hannah has worked in diverse global settings. She is passionate about social justice, educational innovation, and supporting educators in understanding and nurturing their cosmic task—the essential role each person plays in the unfolding of humanity’s collective evolution.
Hannah’s work is driven by a commitment to fostering inclusive, collaborative learning environments where children and educators alike can thrive. She is dedicated to advancing Montessori education through professional development, leadership training, and creating opportunities for dialogue and reflection within the global Montessori community.
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Director of Learning and Professional Development
American Montessori Society
Sarah Kennedy-Berge
College Director
Waterpark Montessori International
Sarah Kennedy-Berge is an experienced Montessori educator and the College Director of Waterpark Montessori, an international Montessori teacher training college based in Norway. She holds a Bachelor of Fine Arts and a Master of Education, along with Montessori qualifications for pre-school and school-aged children. With over 20 years of teaching experience in both the United States and Norway, Sarah has spent more than a decade training Montessori teachers. She is also the co-author of Big Questions: Nurturing Critical Thinking in Curious Minds and the author of Montessori in the Digital Age: A Practical Guide to Integrating Creative Technologies with Montessori Principles.
Sarah’s passion lies in helping educators bring Montessori principles into the modern age, while maintaining the integrity of the method. Her work focuses on nurturing critical thinking and creative problem-solving in young minds. She lives in Norway with her husband and four children.
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College Director
Waterpark Montessori International
Gillian Corke
Certified Positive Discipline Trainer
Wider Opportunities
Gillian Corke is a UK-based educator with over 25 years of experience in holistic music education. She is a Certified Positive Discipline Trainer and holds AMI assistant training for children aged 3-18. Gillian recently led a year-long Positive Discipline curriculum for a Montessori elementary class, where she integrated music and movement into the programme to foster a creative and supportive learning environment. Her diverse background in both sports and music gives her a unique perspective on education, and she is the author of Supporting Your Children in Sport, a resource for the Institute of Child Psychology.
As a child, Gillian benefited from a free, inclusive music program in Sunderland, which inspired her lifelong commitment to accessible education. Her workshop facilitation experience includes contributing to the UK’s “Wider Opportunities” programme, modelled after El Sistema. Now a mother of three, Gillian supports her own children through the INPP movement programme. Her dedication to fostering safe and nurturing environments, coupled with her passion for music, makes her a powerful advocate for holistic education.
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Certified Positive Discipline Trainer
Wider Opportunities
Diana Dimitrov
Montessori Educator
Hofheim, Germany
Diana brings over two decades of experience as a dedicated Montessori educator at a Montessori school in Hofheim, Germany. Her extensive work spans across age groups from 6 to 19 years, with a particular focus on adolescent education. Diana’s passion for foreign language learning in Montessori settings has led her to develop innovative, student-centred approaches that break away from conventional methods. In her role as head of the school's leadership team, she has fostered an environment that encourages creative thinking, responsibility, and an authentic Montessori experience for all students, including those with diverse learning needs, disabilities, and exceptional talents.
Since joining the school management team in 2007, Diana has played a pivotal role in driving the school's Montessori mission forward. She is committed to sharing her expertise with the broader Montessori community through training sessions, workshops, and collaborations with state institutions. Her ongoing dedication to the Montessori philosophy is enriched by continuous reading, training, and a deep understanding of child development.
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Montessori Educator
Hofheim, Germany
Michaela Geytenbeek
Founder
The Kinship Programme
Michaela is a passionate advocate for sustainability education and holistic child development, with a diverse background that spans mechanical engineering, Montessori education, and environmental stewardship. As a qualified Montessori pre-primary and elementary teacher, and an off-trail mountain guide, she is driven by the belief that "the human-nature disconnect lies at the heart of the environmental crisis." This conviction led her to found the Kinship Programme and earn an MPhil in Sustainable Development, where she explored pathways to foster nature connectedness—a deep sense of belonging within Earth's ecosystems.
Her experience includes designing immersive nature experiences for children, developing environmental education curricula, and co-founding a Montessori school. In addition to facilitating workshops on nature connectedness, Michaela consults with organisations and schools on fostering earth stewardship and innovative 21st-century education. She is particularly devoted to working with underserved communities, helping them shape meaningful, community-based solutions to environmental and educational challenges.
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Founder
The Kinship Programme
Clare Healy Walls
Founder
Waterpark Montessori International
When Clare discovered that Montessori philosophy was not only a method of education, but a tool for living, offering satisfaction, joyful learning and peace at macro and micro levels, she became passionate about spreading this version of Montessori and researching modern tools to support that quest! This has led to ongoing exploration of adult learning techniques, flexible learning methods and ways in which to apply the Montessori philosophy to all ages from birth to 100.
Clare has worked with Montessori in Norway since 1991. She is a graduate of Montessori St. Nicholas, London and holds an MA in Education (Management) from the Open University. Clare founded Waterpark Montessori International (WMI) in 1999 with support from Norwegian Montessorians, including Oslo Montessori School.
Clare is the author of Montessori in a Nutshell (now in nine languages), At the Heart of Montessori series (6 books), The Conscious Parent and Conscious Adult Conscious Child, an interactive handbook of stories designed for educators and parents. She lives in the south of Ireland.
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Founder
Waterpark Montessori International
Filippo Giorgi
Scientist Emeritus
International Centre for Theoretical Physics (ICTP)
Dr Filippo Giorgi earned his Ph.D. from the Georgia Institute of Technology in 1986. He began his scientific career at the National Centre for Atmospheric Research in Boulder, Colorado, where he worked from 1986 to 1998. In 1998, he joined the Abdus Salam International Centre for Theoretical Physics in Trieste, Italy, where he lead the Earth System Physics section until 2024, when he became scientist emeritus.
An internationally recognised authority in climate modelling, climate change, and its impacts, Dr Giorgi's expertise spans also biosphere-atmosphere and chemistry-climate interactions. He has published over 420 peer-reviewed papers, placing him among the most highly cited scientists in the geosciences. A 2020 Stanford University study ranked him 11th among over 54,000 scientists in the fields of Meteorology and Atmospheric Physics, underscoring his influence.
Dr Giorgi has played a significant role in the Intergovernmental Panel on Climate Change, contributing to the first five assessment reports. From 2002 to 2008, he served as a vice chair of Working Group I, which shared the 2007 Nobel Peace Prize. His accolades include the 2018 Alexander von Humboldt Medal from the European Geosciences Union, recognising his contributions to climate research and scientific advancement in developing countries. He is also a member of Italy's Accademia Nazionale dei Lincei and the Istituto Veneto di Scienze, Lettere e Arti.
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Scientist Emeritus
International Centre for Theoretical Physics (ICTP)
Jayne Osgood
Professor of Childhood Studies
Centre for Education Research & Scholarship, Middlesex University, UK.
Dr. Jayne Osgood, PhD is Professor of Childhood Studies at the Centre for Education Research & Scholarship, Middlesex University, UK. She also holds a Professor II post at Hogskolen i Innlandet, Norway. Her feminist approach to research is framed by critical posthumanism and an enduring commitment to address inequities of all kinds. She has published extensively in the post-paradigms with over 100 publications in the form of papers, chapters and books. Jayne also has various editorial roles including the journals Reconceptualizing Educational Research Methodology and Gender & Education; and two book series for Bloomsbury (Feminist Thought in Childhood Research; and Postdevelopmental Approaches to Childhood) and a further series for Springer (Key Thinkers in Education).
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Professor of Childhood Studies
Centre for Education Research & Scholarship, Middlesex University, UK.
Gabriel Forestieri
Chief Operating & Education Officer
Montessori Model United Nations
Gabriel Forestieri holds a Bachelor’s Degree from Carnegie Mellon University and an MFA from New York University. He is also credentialed with the AMI Adolescent Diploma. Gabriel has been involved with MMUN since its first conference in 2006 and currently serves as the Chief Operating & Education Officer for the organisation, overseeing its educational initiatives and global outreach.
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Chief Operating & Education Officer
Montessori Model United Nations
Judith Cunningham
Founder
Montessori Model United Nations
Judith Cunningham is the founder of Montessori Model United Nations (MMUN), which brings Montessori values to global citizenship education by engaging students in diplomacy and international affairs. Judith’s leadership has been instrumental in helping students worldwide understand the power of their voice in addressing global issues through the MMUN programme.
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Founder
Montessori Model United Nations
Jarek Jendza
Assistant professor
Institute of Education at the Social Sciences Faculty (Gdańsk University, Poland)
Dr. Jarosław (Jarek) Jendza, PhD, is an assistant professor in the Institute of Education at the Social Sciences Faculty (Gdańsk University, Poland). He specialises in alternative, engaging and non-traditional approaches to education, Montessori in particular. Awarded the Distinguished PhD Dissertation Award, Dr Jendza has published around 80 scientific articles, a large part of them on Montessori pedagogy focusing mostly on the issue of the teachers’ education. He holds a master’s degree in early childhood education and teaching English as a foreign language (University of Gdańsk, Poland) as well as master’s degree in Montessori 6-12 education awarded by University of Girona (Catalonia) and AMI. In his professional career he has worked as a kindergarten and primary school teacher as well as a principal of a Montessori school. He has been involved in various Montessori teacher training programmes and supported Montessori educational institutions as an external consultant. Dr Jendza believes that education can create a better world for all the human beings, especially the education that promotes self-confidence, self-reliance and active participation based on mutual respect and peaceful relations. In 2019 he was elected as a member of Montessori Europe Board where he is mostly responsible for bridging academic and practitioners’ worlds by leading the Montessori Europe Research working group.
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Assistant professor
Institute of Education at the Social Sciences Faculty (Gdańsk University, Poland)