Independent experts who strengthen our methods in WASH, rural health, agriculture,
leadership education, energy, and public-sector delivery. Open a name to read more.
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Dr. Kelly Baker
Associate Professor, Department of Epidemiology and Environmental Health, University at Buffalo (joined 2024); previously University of Iowa and Emory University.
Microbiologist and epidemiologist focused on water, sanitation, hygiene (WASH), enteric pathogens, and maternal and child health. PhD in molecular microbiology and immunology (University of Maryland).
Professor Diane Rohlman
Associate Dean for Research, Professor, and Endowed Chair in Rural Safety and Health, University of Iowa College of Public Health. Director of the Graduate Program in Agricultural Safety and Health and the Healthier Workforce Center of the Midwest. PhD in experimental psychology (Bowling Green State University); work spans cognitive ergonomics, agriculture, and rural health in the United States and Africa.
Professor Kimm Harris
Associate Professor of Practice in Management and Entrepreneurship, Tippie College of Business and John Pappajohn Entrepreneurial Center, University of Iowa. Entrepreneur and educator focused on innovation, teams, and cross-border collaboration (MBA Exchange, Rotary International). MBA (Iowa); BSc in communications, counselling, and English (Université Laval).
Onyeche Tefase
Vice President, Strategy, Technology & Innovation, Industrial Applications, Siemens Energy. Career across Siemens UK, Germany, USA, and Nigeria; former Managing Director & CEO of Siemens Nigeria. MPhil in electrical engineering (Cambridge); BEng in electrical and electronic engineering (University of Nottingham).
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Carla Tishler
Former Senior Director, Global Markets, and Executive Education portfolio leader at Harvard Business School—overseeing executive education worldwide (including Shanghai and Mumbai) and digital learning products for faculty and students. MEd in technology in education (Harvard); BA in English literature (Smith College).
Nicky Kingston
Private Secretary to the Minister for Workplace Relations and Safety, New Zealand Parliament. Prior roles in policy, energy, and international development—including programmes in Ghana on human rights, women’s empowerment, youth, agriculture, and environment. BA and LLB in law and French (University of Otago); experience with the ILO in Geneva.
Professor Christopher Antwi
Professor of Animal Science, Kwame Nkrumah University of Science and Technology (KNUST), Ghana. Research on greenhouse gases, climate adaptation, and livestock nutrition; consultant to AUSAID, Canada Fund, GIZ, and others. PhD in animal nutrition (UC Davis); Norman Borlaug and LEARN fellowships.
John Paul Engel
International consultant, speaker, and author working across twelve countries since 1996. Phi Beta Kappa graduate of the University of Iowa; MBA with international distinction (Chicago Booth). Vice Chair, American Red Cross, serving communities across dozens of U.S. jurisdictions; commentary featured in major business media.
André de Witt
Director and group executive at BBD, a global software engineering firm. Twenty-five years delivering complex digital, insurance, treasury, identity, and public-sector programmes across banking and government. Honours in industrial engineering (University of Pretoria); former Accenture executive.
Patricia Araba Annan
Lawyer and development professional focused on women’s and children’s rights—programmes with Gender Studies and Human Rights Documentation Centre, WiLDAF, and others. Founder of Women Aspire. LLB (University of Ghana); MA in development studies (University of Cape Coast). Mandela Washington Fellow.
