Our Staff


Cameron King

Head of Operations | AAA, Operations Director

Cameron ran his own eCommerce business for several years before pivoting to Charity Entrepreneurship to have a more extensive and substantial positive impact on the world. Cameron has been involved in the Effective Altruist community for over ten years and went through Charity entrepreneurship’s incubation program for 2020 furthering his focus on effectiveness, efficiency and operations planning.

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Jenna Hiscock

Chief of


Jenna is a jack of all trades, exploring different facets of our society and what is required for humane forms of development. She is studying her Honours in Development Studies, having completed a Bachelors Degree in Politics and History. Jenna is also a vegan chef and Montessori teacher, which has formed most of her professional career.


Jonathan Field



Jonathan received a Bachelor of Arts in Interaction Design from the Cape Town Creative Academy (CTCA), minoring in illustration and critical theory. After gaining his degree, Jonathan went on to work as an intern for several businesses within Cape Town, including King James, Studio6 and The Yellow Door Collective. He is currently working as the in house communications coordinator for Credence Institute and the designer for Ripe Africa.

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Lynn Tan

Head of Research | AAA, Research Director

Lynn graduated from the University of Cambridge with an MPhil in Translational Biomedical Research. She is a cofounder of Effective Altruism Malaysia and a Regional Rep for The Humane League UK. Lynn was also a participant in Charity Entrepreneurship's 2020 incubation program to learn the fundamentals of creating and operating an effective nonprofit organization. Before the program, she has worked in research, strategy and operations in a healthcare-focused social enterprise and a mental health startup.

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Moritz Stumpe


Moritz holds a Master’s in International Relations from TU Dresden and a Bachelor’s in International Business Studies from the University of Erlangen-Nuremberg. He has worked in the private, public and non-profit sector. Next to his engagement at Credence, Moritz is currently working for a sports sponsorship consultancy in Germany. Additionally, he is pursuing training in data science, aiming to acquire valuable skills for effective animal advocacy

Board of Directors

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Andrew Fisher

 Non-Executive Director & Legal Advisor

Andrew is an attorney practicing commercial law in Cape Town. As a legal professional, he has worked on a wide range of corporate and commercial transactions, focusing on M&A and corporate finance. Prior to law school, he completed his Master’s in Philosophy at the University of Cape Town, writing his dissertation on the practical ethics of effective animal advocacy. 

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Brett Thompson

Co-Founder &


Brett studied finance and economics at the University of Cape Town and Stellenbosch University in South Africa. After completing his Honours thesis, Making an Economic Case for Vegetarianism, he went on to work at the Fry Family Food Co., one of the world’s leading manufacturers of plant-based food alternatives. Brett has also held senior positions at Beyond Carnism and ProVeg International, accumulating over ten years of experience in animal advocacy.

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Francois Otto

Non-Executive Director

& Finance Advisor

Francois is an investment banker with experience across various disciplines including M&A, capital raisings and private equity. After starting his career at Nedbank, he now heads up the investment banking arm at Sasfin, where he is responsible for the group’s specialised lending, private equity and M&A businesses. Francois holds a BCom Honours degree from the Nelson Mandela University, as well as both the CA (SA) and CFA designations


Jayna Sisbarro

Non-Executive Director & Fundraising Advisor

Jayna Sisbarro currently serves Philanthropy Manager for The Animal Legal Defense Fund (ALDF).  Prior to ALDF, she served as the Director of Development for Shared Interest, a nonprofit social investment fund working in Southern Africa to reduce poverty and provide financial inclusion to rural communities and entrepreneurs. Prior to her 18-year career in fundraising, Jayna held corporate management, sales and marketing positions as well as taught award-winning courses in both leadership and public speaking.  Jayna holds a MS in Organizational Communication from Rutgers University and serves on the board of Woodlands Wildlife Refuge.

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Ludwig Raal

Co-Founder & Non-Executive Director

Ludwig holds a Master’s degree in Logistics from the University of Stellenbosch and is currently pursuing an MPhil in Applied Ethics at the same institution. His primary interests lie in animal welfare, having had writings on this topic published in Areo Magazine and Arc Digital. He is also the co-creator of Digital Discourse ZA, an online platform that facilitates public conversations on South African affairs. 

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Mixo Mayimele

Non-Executive Director & International Partnership Development

Mixo is an internationally-minded professional with over 20 years of management experience in technology project management, investment management, international business and general business management. He holds an MBA from Tilburg University's Tias Business School in the Netherlands and a Mechanical Engineering degree from the University of Johannesburg.


Nicola Vernon



Nicola is the Founder and CEO of Greyton Farm Animal Sanctuary, a home for over 150 rescued farm animals situated on its own farm just 7 kms outside of Greyton in the Western Cape. Together with another NPO she founded, Greyton Transition Town, she established a humane and environmental education programme in all six local schools in Greyton and helped create vegetable gardens which augment the schools’ feeding schemes.

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Reevin Frank, PhD

Non-Executive Director & Strategy Advisor

Reevin is an Engagement Manager at the management consulting firm, Letsema. His expertise includes strategy and direction setting, organisation structuring, and market opportunity exploration, particularly within the NGO and public sectors. Reevin received a PhD in Environmental Engineering from Cranfield University (UK) and the University of KZN (RSA), where his research focused on energy, waste and water systems. Reevin is driven by a passion for creating effective and sustainable impact in business and communities.



Andrea Marais PhD

Research Consultant

Andrea is a cum laude graduate in psychology and journalism and has obtained her PhD in Psychology. She has over 16 years of corporate and academic research experience with a passion for mixed-method approaches. Andrea is the South African charter for the International Ecopsychology Society and is interested in the relationship between nature, animals and human well-being. Andrea has also recently become a research fellow at WITS.

PBO Status

Credence Institute ("CI") is a Public Benefit Organisation (PBO Reference #: 930068987) as set out in section 30(3) of the Income Tax Act No 58 of 1962 (the Act).


CI has been approved for purposes of section18A(1)(a) of the Act and donations to the organisation will be tax-deductible in the hands of the donors in terms of and subject to the limitations prescribed in section 18A of the Act.

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