A Global Community

Acumen’s dedicated team works across its five global offices in Accra, Karachi, Mumbai, Nairobi, and New York to support our work investing in companies, leaders, and ideas. Our entire global community — including our staff, board, and advisors — are integral to the success of our team.

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    Ronald Joe

    Data and Systems Manager, New York, USA

    “Our core values (generosity, accountability, humility, audacity, listening, leadership, integrity, respect) allow us to go far as we go together to build dignity.” [READ MORE]

    Ron joined the global operations team in May 2014 as Data and Systems Manager to help ensure that our technology initiatives support Acumen’s mission and business model. He works with all global team members so that technology processes and data management can improve the way Acumen does its global work.

    He has over 20 years of technology-related experience from marketing, support, analysis, and development work with government, education, finance, and technology organizations in the New York area. Some of the teams Ron has worked with are from: The City of New York – Office of Payroll Administration, Columbia University, RailWorks Corporation, Lehman Brothers, Morgan Stanley, Credit Suisse, and IBM. He has served as a Regional Director of a national alumni board for the University of Notre Dame.

    Ron received a B.S. in Electrical Engineering from the University of Notre Dame and an M.B.A. in Finance from St. John’s University. He also studied in a part-time evening program for Information and Digital Resource Management at Columbia University.


    T:(646) 747-3688

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    Beatrice Onyango

    East Africa Fellows Associate, NAIROBI, KENYA

    “Acumen calls for us to be leaders who do what is right and not what is easy. With such thinking, I believe that we can transform our lives and also transform the lives of the people around us hence being a positive change agent.” [READ MORE]

    Prior to joining Acumen, Beatrice served as the President of AIESEC from 2012-14 in Rwanda, where she worked with university students in Kigali and Huye to develop their leadership potential through exchange programmes and experiential learning activities.  She also served as a public relations officer at the University of Rwanda’s College of Business and Economic (then School of Finance and Banking).  Originally from Kenya, Beatrice is interested in leadership development for youth, women’s development and being a positive change agent.  As the Administrative Associate, Beatrice champions the operational needs of the East Africa team and provides executive support to the East Africa Director.

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    Charlotte Erb

    Special Assistant to the CEO, New York, USA

    “Charlotte joined Acumen in August 2016 as the Special Assistant to the CEO. Prior to Acumen, Charlotte worked for City Year in roles supporting their fundraising events, and...” [READ MORE]

    Charlotte joined Acumen in August 2016 as the Special Assistant to the CEO. Prior to Acumen, Charlotte worked for City Year in roles supporting their fundraising events, and serving 5th-grade students in the South Bronx as an AmeriCorps member. Charlotte holds a BA in Anthropology and French from Brandeis University. She is a volunteer at the International Rescue Committee’s Saturday Learning Series tutoring program, and a member of the New School Community Orchestra.



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    Alanna Miyajima

    Administrative Assistant to the President, New York, USA

    “Acumen inspires me to believe in sustainable solutions to systemic problems, the power of markets to create change, and a world filled with dignity and choice.” [READ MORE]

    Alanna joined Acumen in June 2015, managing scheduling, logistical and communications needs for the CEO and President. Prior to Acumen, Alanna worked as a coordinator for a global humanitarian NGO and interned in the communications department at The Rockefeller Foundation. She has lived in England, Nigeria, Venezuela and China, where she cultivated a passion for international economic development. Alanna holds a Bachelor of Science in Business & Political Economy from New York University’s Stern School of Business.



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    Kazi Mghendi

    Administrative Associate, Nairobi, Kenya

    “While many investors focus solely on profitability, Acumen seeks to understand the social impact that its investments make. I believe this is what society needs most. Indeed it starts with standing with the poor, listening to the voices unheard and recognizing potential where others see despair.” [READ MORE]

    As the Administrative Associate, Kazi manages the operational needs of the East Africa team and provides executive support to the East Africa Director. Kazi brings valuable on-the-ground experience in East Africa’s development sphere coupled with solid administrative skills. Prior to joining Acumen, she worked in the microfinance industry and the humanitarian sector. Her past roles include working as a Credit Officer with a Kenyan microfinance institution appraising loans and managing relationships with clients, a Business and Entrepreneurship Trainer with AIESEC in Rwanda, an Administrative Assistant with Nairobi Chapel, and a Project Management Intern with Women Fighting AIDS in Kenya (WOFAK). Kazi holds a bachelor’s degree in Development Studies with a concentration in Integrated Community Development from Daystar University in Nairobi.