Our Staff

We're a group of passionate educators bringing the power of Montessori to the wider world

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Chai Wan Campus
View All Administration Team Campus Leadership Causeway Bay Family Club
Head of Administration, Chai Wan

Marianne Mashburn

Ms. Marianne earned her Bachelor’s degree from the University of North Carolina at Greensboro in Anthropology, with additional post-graduate accreditations in early childhood education from the University of Sunderland as well as ESL from Trinity College. She has been in education for over 14 years working in South Korea, the Czech Republic, and Hong Kong. Ms. Marianne is passionate about creating an environment that ignites a child's curiosity and belief in their own capabilities. She is excited to be a part of Guidepost Montessori at Chai Wan!
Head of Administration, Clearwater Bay

Charlie Horowitz

Charlie is excited to play a vital role in ensuring your children receive the best possible start in life. Originally from the United States, he has lived and worked in Hong Kong for more than 11 years, gaining extensive experience in various Early Years settings. Charlie has held leadership positions in school management and curriculum development and is a former teacher with a deep understanding of early childhood education and care. He holds a Master of Education Degree from the University of Hong Kong, where his studies primarily focused on Early Childhood Development, Neuroscience, and Bilingual Education. 

Charlie is committed to promoting a strong sense of belonging at Guidepost. He believes that building community and empowering parents and caregivers are crucial values, and he is passionate about supporting your family’s Guidepost journey.

Head of Administration, Discovery Bay

Hannah Dentten

Hannah has over 10 years’ experience working in early years education; as a teacher, creating process art curriculums and leadership and management. She is passionate about her children, her family, mindful leadership and supporting those around her. Hannah is a big believer that it takes a village to raise children and being open to help and support others is a heathy mindset to adopt - especially in an expatriate community. She is always available to help each and every family in the best way she can, however big or small the problem may be. Hannah wholeheartedly welcomes all parents to join in and be part of their child’s learning journey at Guidepost.

Head of Administration, Happy Valley

Alan Redfern

Alan is originally from South Africa and moved to Hong Kong soon after finishing university, where he obtained a BA LLB - majored in law and philosophy. In the close to 10 years that he's been here, he has worked solely in the education field and has found a true passion in early childhood development and educational management. When he's not at work, Alan enjoys being outdoors and keeping active, as well as playing guitar and photography. Alan believes that the diversity found in Happy Valley offers children a greater understanding of the world and looks forward to welcoming your family to the warm and tight-knit community that is Guidepost Montessori Happy Valley!

Head of Administration, Kennedy Town

Selena Hartley

Ms. Selena has been working in early childhood education for nine years. She earned her Bachelor’s degree in Child and Adolescent Development from San Francisco State University and her Master’s degree in Educational Leadership from The University of San Diego. Prior to joining Guidepost Montessori, Ms Selena worked with other preschool and kindergartens both in Hong Kong and the United States. She has been passionate about entering this field since she was a child and has been able to grow in her curiosity, enthusiasm, and passion ever since learning about the Montessori approach. Ms. Selena’s passion is to develop positive relationships with everyone within the community, learning with children as they grow, supporting teachers and staff so that they can reach their greatest potential, strengthening the connection between school and home whilst fostering a positive school culture. She is excited for the opportunity to work closely with the families in Kennedy Town. 

Assistant Head of Administration, Kennedy Town

Pinky Fung

Born and raised in Hong Kong, Ms. Pinky is a registered teacher holding a PGDE in Early Childhood Education. She holds a diploma in Montessori teaching for children aged 3 to 6 years. With 15 years’ experience in early years education, Ms. Pinky previously managed a Montessori pre-school in Melbourne, Australia. She is passionate about the Montessori pedagogy and would love to share the beauty of this unique way of learning to all children and their families. Ms. Pinky is trilingual, fluent in English, Cantonese, and Mandarin. She looks forward to building a meaningful community sharing the Guidepost values.

Assistant Head of Administration, Kennedy Town

Geraldene Tobias

Ms. Geraldene, with 16 years of experience in early childhood education, discovered her passion for education after working in the business sector. She has taken on English teaching, administrative, and leadership roles in kindergartens and learning centers. She attained a Post-graduate Diploma in Early Childhood Education, Certificate of Kindergarten Principals from Hong Kong Baptist University, and Master of Business Administration from University of Leicester, United Kingdom. Her educational philosophy is recognizing the uniqueness of each child and emphasizing the significance of love, patience, passion, and parental cooperation in fostering their social, psychological, personal, and academic growth within a safe and enjoyable environment.

Head of Administration, Pok Fu Lam

Kavita Rangani

Ms. Kavita has 15 years early childhood administration experience, working in an international pre-school setting in Hong Kong. With her heart invested in the Montessori philosophy, she has served a Montessori pre-school for 12 of those years. Her drive has been to maintain the school as a nurturing, well balanced institution that places equal value on realising every child's social, academic potential along with caring for their well-being. She has two grown up children that have both flown the nest and are in universities in the UK and Australia. Ms. Kavita looks forward to building a strong community within the school to bring alive the saying ‘it takes a village’.

Head of Administration, Primary School

Liam McGrath

Mr. Liam is committed to providing a nurturing and stimulating educational journey for each and every child. His background has been highly focused on international education, in particular with Nord Anglia Education in both Russia and China. He brings a great deal of experience and a determination to foster a tight-knit and supportive community for all Guidepost and Academy of Innovation Primary School families. When not on campus, Liam can be found climbing, running, or somewhere outdoors getting lost in the countryside.

School Officer, Chai Wan

Stina Pang

School Administrative Officer, Clearwater Bay

Luyi Lo

Senior Campus Officer, Guidepost Family Club Causeway Bay

Tiffany Mak

School Administrative Officer, Guidepost Family Club Causeway Bay

Kristy Liang

School Administrative Officer, Happy Valley

Natalie Lam