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Officers and Staff

WCF officers and staff provide leadership for the organization and are based in North America, Europe, and West Africa.


Barry Parkin, WCF  Chairman 

Chief Sustainability Officer and Health & Wellness Officer, Mars, Inc.

Steven Retzlaff, WCF Vice-Chairman

President Global Cocoa, Barry Callebaut

Terence O'Day, WCF Secretary/Treasurer

Chief Supply Chain Officer and Senior Vice President, The Hershey Company

See the full WCF Board of Directors here.

Senior Management

Bill Guyton, President

Bill Guyton, the President of the World Cocoa Foundation (WCF), is an internationally recognized expert with nearly 25 years of experience in sustainable development. He acts as a primary spokesman for the international chocolate industry on issues related to a sustainable cocoa economy and quality of life of independent family cocoa farmers. Download Bio

Jean-Yves Couloud, Ivory Coast Country Representative/ Représentant Résidant Côte d'Ivoire

Jean – Yves Couloud has spent the last 21 years in Rural Development through various projects funded by World Bank, FIDA, WFP, USAID, WCF, etc. As the World Cocoa Foundation Program Coordinator in Cote d’Ivoire, he facilitate the relationship between the Côte d’Ivoire government & the organization based in this country, provide backstopping to the implementation of all WCF programs in Cote d’Ivoire. Download Bio

H. Sona Ebai, Chief of Party, WCF African Cocoa Initiative

Sona Ebai has spent the last 25 years in integrated Rural Regional Development Planning and Commodities be it in policy design and implementation or outreach and governance. He comes with impeccable credentials that have made him, in addition to hard work and a solid academic background, almost a household name in the world cocoa economy. Download Bio

Jill Harris, Senior Director for Operations and Finance

Jill Stasz Harris serves as the Senior Director for Operations and Finance at the World Cocoa Foundation (WCF) based in its Washington, D.C. office. Jill’s work centers on advancing WCF as a strong and high performing organization via functional alignment and support of vision, strategy, and action.  Download Bio

Paul F. Macek , Senior Program Director, West Africa 

Paul Macek is the Senior Program Director for West Africa for the World Cocoa Foundation, where he manages WCF flagship’s portfolio of projects and programs. He brings with him nearly 20 years’ experience in community based development and humanitarian work. Download Bio

Adam Mayaki, Deputy Director, Finance, Compliance & Grants

Adam Mayaki is the Deputy Director, Finance, Compliance & Grants at WCF.  He has more than nine years of experience in project management, budget controls, field and home office operations, financial reporting, and financial management. Download Bio

Timothy S. McCoy, Senior Advisor, Outreach

Tim McCoy serves as senior advisor for outreach at the World Cocoa Foundation, where he manages WCF’s strategic outreach to the public and private sector. He brings nearly 20 years’ experience in international affairs and political and economic development programs, primarily in Africa. Download Bio

Suzanne Ndongo-Seh, Director, WCF Cocoa Livelihoods Program

Suzanne is the Director of WCF’s Cocoa Livelihoods Program and is based in its Abidjan, Côte d’Ivoire office. Download Bio


Edwin Afari, WCF Monitoring and Evaluation Coordinator, West Africa

Mr. Edwin Afari is an Agricultural Economist and a Specialist in
Monitoring and Evaluation, and Geographic Information Systems (GIS) with 12 years’ experience in research, teaching, project analysis & management. He has additional experience in data analysis & management. Download Bio

Nene Akwetey-Kodjo, Project Coordinator, WCF African Cocoa Initiative

Nene Akwetey-Kodjoe is the WCF/ACI Project Coordinator. He manages all technical reporting and for the project and provides project management backstopping support to the Chief of Party. Prior to joining WCF Nene worked for almost 8 years on development projects for USAID’s West Africa Trade Hub as Technical Coordinator for Export Business Development, Finance Program Coordinator and Monitoring & Evaluation Specialist and for JICA’s West African Centre for International Parasite Control as Senior Research Assistant. Download Bio

Chantal Amissah, Administrative Assistant, WCF Cocoa Livelihoods Program

Chantal Amissah is the Assistant Administrator for the World Cocoa Foundation’s Cocoa Livelihoods Program (WCF/CLP). Download Bio

Akua Amoah-Boateng, Finance Manager, WCF African Cocoa Initiative

Akua Amoah-Boateng is the Finance Manager for WCF's African Cocoa Initiative and manages Administration in the Accra Office.  Download Bio

Ella Assie, Junior Accounting & Administrative Finance Associate 

Ella Assie is the Junior Accounting & Administrative Finance Associate for the World Cocoa Foundation based in Abidjan, Côte d’Ivoire. Ella records, implements, reports and stores financial transactions and supports additional administrative functions. She is also responsible for maintaining adherence to the Generally Accepted Accounting Principles (GAAP). Download Bio

Benjamin J. Brennan, Program Assistant, Southeast Asia, Latin America & Research

Ben Brennan serves as the Program Assistant for Southeast Asia, Latin America & Research with the World Cocoa Foundation (WCF). Ben provides both programmatic and business development assistance, as well as administrative support for the implementation and facilitation of scientific fellowship programs, seminars and research within the Southeast Asia and Latin America program portfolios. Download Bio

Ethan Budiansky, Deputy Director, WCF Cocoa Livelihoods Program

Ethan Budiansky is a development professional with experience in natural resource management, international development and program management, specializing in agroforestry, sustainable agriculture, and agribusiness development. Download Bio

Josephine Dadzie, Administrative Assistant, WCF ECHOES

Josephine Dadzie works on the day-to-day administrative work for WCF/ECHOES and other WCF education projects as well as assists in their implementation. She brings over 7 years experience of office and project administration having worked for Tieso Ghana Ltd, Constructs llc and Knutsford University College, Ghana. Complementing her administrative experience are over 5 years of youth development work as a part-time volunteer Director for event management for The HuD Group, an international youth development organization.  Download Bio

Nira Desai, Deputy Director, CocoaAction

Nira Desai serves as the Deputy Director for CocoaAction, where she leads WCF’s overarching strategy on cocoa sustainability.  CocoaAction brings the world’s leading cocoa and chocolate companies together to accelerate sustainability and improve the livelihoods of cocoa farmers.  Nira brings more than 12 years of experience in the public, private and non-profit sectors, where she has specialized in building strategic communications and managing multi-stakeholder initiatives.  Download Bio

Njankoua Wandji Dieu-Ne-Dort, Country Coordinator, Cocoa Livelihoods Program (Côte d'Ivoire and Cameroon)

Njankoua Wandji Dieu-Ne-Dort serves as the Country Coordinator for the Cocoa Livelihoods Program (Côte d’Ivoire and Cameroon) at the World Cocoa Foundation. His primary responsibility is overseeing in-country coordination of the program activities through facilitation and backstopping provided to both Matching Grantees and other implementing partners. Download Bio

Jennifer L. Golden, Monitoring & Evaluation Team Manager

Jennifer Golden serves as the Monitoring and Evaluation (M&E) Team Manager at the World Cocoa Foundation. She oversees M&E strategy and communications, and leads a team responsible for working with partners to implement M&E on WCF programs. Download Bio

Manuel Kiewisch, Information System Manager; Monitoring & Evaluation

Developing and maintaining WCF’s monitoring and evaluation data system is Manuel’s main role as the organization’s Information System Manager. He strengthens WCF through his experience of monitoring and evaluation systems and technical proficiency in information management technologies. He has a background of international development work in East and West Africa. Download Bio

Tehua Koffi, Grants Manager, Cocoa Community Development Fund

Prior to joining the WCF Cocoa Community Development Fund he worked in Côte d’Ivoire for Cargill, Armajaro ADM and Fairtrade.  Download Bio

Gaël Lescornec, European Liaison

Gaël Lescornec serves as the European liaison at the World Cocoa Foundation. Based in Geneva, she is responsible for resource mobilization and partnership development in Europe. She brings over 15 years of experience working in international development and managing multi-stakeholder partnerships and processes with the ultimate aim of achieving impact on people’s lives. Download Bio

Vincent Frimpong Manu, Ghana Country Coordinator, Cocoa Livelihoods Program

Vincent is the Ghana Country Coordinator for WCF’s Cocoa Livelihoods Program (CLP) He is based in WCF’s Accra, Ghana office. Download Bio

Jackie Marks, Communications & Marketing Manager

Jackie Marks is the Communications & Marketing Manager for the World Cocoa Foundation (WCF), overseeing media outreach, website content, social media, branding and membership relations. She is also responsible for event management including organizing the twice-annual WCF Partnership Meeting. Download Bio


Mfegue Crescence Virginie, Cocoa Swollen Shoot Virus (CSSV) Program Manager

Mfegue Crescence Virginie serves as the Cocoa Swollen Shoot Virus (CSSV) Program Manager in West Africa at WCF. Dr. Mfegue is in charge of leading a multicomponent Research and Development program aimed at developing tools for the control of CSSV and the protection of cocoa farms. She is based in WCF’s Abidjan office. Download Bio 

Patience Akwen Nambo, Gender Specialist, Cocoa Livelihoods Program

Patience is the Gender Specialist for the Cocoa Livelihoods Program at the World Cocoa Foundation. In her role, she focuses on mainstreaming gender considerations in project activities for the Cocoa Livelihoods Program. Download Bio

Virginia Sopyla, Associate Director of Southeast Asia, Latin America & Research   

Virginia Sopyla is Associate Director for Southeast Asia, Latin America & Research for WCF.  She directs WCF’s activities in these two important growing regions and oversees WCF’s two fellowship programs with the United States Department of Agriculture/Foreign Agricultural Service – the Cocoa Borlaug Fellowship Program, and the Cocoa Cochran Fellowship Program.  These fellowship programs include all three major cocoa-growing regions of the world – West Africa, Southeast Asia and Latin America. Download Bio

Takyi Sraha, Technical Advisor, WCF African Cocoa Initiative

Mr. Takyi Sraha is a Technical Advisor with WCF/ACI for Cocoa Value Chain Strengthening and managing all aspects of the project that seeks to improve the sub-regional and national systems that supply agricultural inputs to cocoa farming systems. Takyi holds an M.Sc in Agroforestry and B.Sc (Hons) in Biological Sciences all from University of Science and Technology, Kumasi, Ghana. Download Bio

Hermann Tanon, Administrative and Office Assistant

Hermann Tanon is the Administrative and Operations Assistant at World Cocoa Foundation in Abidjan, Côte d’Ivoire. He provides general office management and support and oversees staff equipment and systems. Download Bio

Matthew Travis, Operations Assistant

Matthew Travis is the Operations Assistant at the World Cocoa Foundation. He oversees the daily functions of the office and provides operational support for the DC team. Download Bio

Rachelle Walker, Finance and Accounting Manager

Rachelle Walker is the Finance and Accounting Manager at the World Cocoa Foundation. She oversees day to day accounting and financial operations of WCF and provides support to WCF programs. Rachelle is based in the Washington, D.C. office.  Download Bio

Baaba Wood, Administrative Assistant, WCF African Cocoa Initiative

Baaba Wood is the administrative Assistant for the WCF’s African Cocoa Initiative Project. She provides administrative support to the Chief of Party and other members of the team. Her expertise in office administration, information and records management and customer service comes from years of experience with institutions such as North Ridge Lyceum, the Buyasoul Foundation and the Information Services Department, Ministry of Information. Download Bio

Victoria Woolner, Program Assistant, CocoaAction

Victoria Woolner is the CocoaAction Program Assistant at the World Cocoa Foundation. She provides support to WCF’s CocoaAction strategy, with a particular focus on community development programming in West Africa. Download bio

Adam Yefet, Executive Assistant

Adam Yefet serves as Executive Assistant to WCF President Bill Guyton. He provides scheduling and administrative support and liaises with the WCF Board of Directors. Download Bio

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