Lauren Hosie

Lauren is a Co-founder and our acting Principal at Kingfisher Lake – she is also the Class Teacher for Lower KS2 (Grades 3 & 4) and a stable source of growth and administrative guidance. A person of many hats and passions, Lauren received her BA in Fine Arts and English at the University of Natal, South Africa (2003), and complemented this achievement with a Post Graduate Certificate in Education through UNISA (2011).

She is an active mother of three and passionate about family, community and especially our school. She leads with a calm determination and infuses her love of nature, art and the beauty of life into her classroom. You can find her teaching by the lake, running around the lake, or living by the lake – there is a theme here. Lauren puts her heart into the school and the kids that pass through it and is highly invested in the effort to grow them into globally accountable, mindful and passionate individuals.

Aaron Catrett

Aaron has been apart of the Kingfisher Lake family since 2017 and is the Class Teacher for our Upper KS2 curriculum (Grades 5 & 6). He holds a BA in International Relations with a Minor in English Literature from UNC-Chapel Hill, USA (2004) and a Post Graduate Digital-Marketing Certificate from DePaul University, USA (2013), and is TEFL/TESL certified (2020).

Bringing a wealth of corporate and non-profit experience to the classroom, Aaron worked professionally in ad sales and later on rural development initiatives, he instructs with real-world success metrics in mind.  He assists our students to transition from theory to application, focusing on developing habits and skills that translate to publishable-level work. Aaron imbues an infectious enthusiasm to his lessons and helps ignite students’ passion for a life of growth and learning.

Astrid Muñoz Castrillón

Astrid joined our preschool team in 2020 bringing a breadth of international experience and intuitive compassion as our Geckos’ Class Teacher (Ages 3 & 4). She affectionately cultivates a safe, nurturing environment for her children to explore and guides their interactions using Montessori-infused methodologies. Fluent in Spanish (from her native Columbia), Portuguese and English, Astrid seamlessly transitions our pupils from various backgrounds into their new school routines.

She holds a degree in Early Childhood Education and continuously compliments this foundation with specializations ranging from intercultural relations and gender studies to trauma management in the classroom. Her 15-year career in education has fostered invaluable insights which she lovingly employs shaping our youngest pupils’ hearts and minds.

Arleto Morgado Lambo Madaucane

Arleto (who prefers Professor Macuacua on campus) has been our Foreign Language Teacher since Kingfisher Lake’s inception, specializing in Portuguese for all grade levels (from R to Grade 10). Macuacua has a natural rapport with children and possesses patience, compassion and professionalism in abundance. His fatherly guidance to each pupil and the respect he offers in each interaction speak to his commitment to a higher standard of conduct. Professor Macuaucua is a wonderful example of kindness, honesty and humility for students to aspire to.

He holds a degree in Teaching – certified from Grades 1 to 12 – from ADPP College in Inhambane, Mozambique (2012) and is completing his Masters in English from Maxixe University (est. 2022). Teaching in Portuguese, English and Gitonga (the local language of our Province), Macuacua artfully blends language and learning in a fun and approachable way.


Cristan joined Kingfisher Lake in 2021 as the Class Teacher for our KS3 curriculum (Grades 7 – 9), and leads our eldest students’ educational experience with a healthy dose of grit and grace. Dedicated to instilling a life-long commitment to learning, Cristan mindfully prepares lessons and dynamically delivers them with a kind, compassionate approach.

She holds a BA in Marketing Management – with a concentration in Business and Economics – through the University of South Africa (2018) enriched with a Post Graduate Certificate in Education through Embury College (2020). She specializes in teaching middle and high school – having formative experience teaching at international institutions across Southern Africa – and is a highly motivated – and motivational – educator.

Filomena Inacio Matsinhe

Known affectionately as Memma – Filomena has been our exceptionally calm Preschool (18 mo – 3 yr) Primary Caregiver since 2016. She exudes patience, gracious understanding, and wears unconditional affection like a uniform: she is the peace that soothes the fiercest of terrible-two tantrums.

An attentively skillful mother of three and experienced professional caregiver (up to age 5), Filomena has a wealth of expertise in infant and early childhood ministrations. She’s an integral part of our early foundations program in Preschool and a cherished member of the Kingfisher Lake family.

Inês Fernandes

Inês has been with Kingfisher Lake since 2018, directing our Physical Education program as our school-wide Instructor. She encourages youth to embrace sport and movement as an integral part of their daily lives: believing an active life equates a full one. A compassionate blend of pragmatic and mindful, Inês possesses apassion to motivate and a will to catalyze change.

She holds a degree in Sports Education and has taught in Portugal (her native country), Cape Verde, and Mozambique where she also served as the National Coach for Artistic Gymnastics (2005). Her dedication to cultivating children’s ‘whole-self’ growth has inspired her to create social-development and health initiatives wherever she goes.

Sara Rodrigues

Sara has been with Kingfisher Lake since 2019 and is the Grade 1 Class Teacher as well as an integral asset – as an experienced pediatrics counselor – to our pupil’s mental fitness. She renders a fusion of order and creativity to skillfully guide learners’ transition into a more formal academic space after Preschool; Sara has an open-heart-and-mind policy to everything she does.

She earned a BS in Sociology from Great Zimbabwe University (2013), complimented with a Master in Population and Demography (2020) from her alma mater as well. Sara has extensive experience at international schools across Southern Africa, a calling to promote discourse surrounding women’s issues, and a drive to develop a socially conscience, tolerant, and caring culture at Kingfisher Lake.

Sasha Ochse

Sasha joined Kingfisher Lake in 2016 and is the acting Department Head for our Preschool program and the Class Teacher for Grade R (Years 3-4). She obtained a National Diploma in Early Childhood Development from the Compass Academy of Learning (2019) and is certified to teach English as a second language (2020).  She was instrumental in developing several international preschool initiatives during her time working in hospitality management and has a genuine passion for nurturing foundation-age learning.

Sasha is a loving and determined professional, always willing to support those around her. She leads the Preschool with a servant’s heart, dedicating her whole self to growing a team that cares for our youngest members of Kingfisher Lake’s student body.  Her passion for nature, children and the arts fuel her activities and awakens her pupil’s imaginative potential.

Stefanie Barmet

Stefani graces our youngest pupil’s lives by compassionately guiding them as they emotionally and mentally develop. She has been working at Kingfisher as a Preschool Teacher for our toddlers (18 months to 3 years) since 2021, but has been working with small children in various capacities – including raising two of her own – for years.

Stefani has a BA in Business Administration (2006) and speaks 4 languages fluently (Italian, German, English and Portuguese). She radiates a gentle, tranquil warmth, helping to create a safe and creative environment for your children’s foundational years.

Tammi Burger

Tammi has been a teacher at Kingfisher Lake since 2019, evolving from our school-wide Music Director to instructing a range of subjects within our Primary School. Tammi has cultivated a plethora of interests, hobbies and talents garnered through her global travels sailing; she brings an eclectic and dynamic energy to her lessons.

Driven to create and share, Tammi identified music as her preferred medium and honed her skills at Wykeham Collegiate under a music scholarship. She went on to attain a Masters in Sound, with a concentration in Drama and Performance, at UKZN Howard College, South Africa (2009). Tammi gives her whole-self to planning and pupils alike and challenges her students to grow through innovative teaching methodologies.