ACCESO
Meet some of our team
Acceso team members have exceptional track records from the private business and agriculture development sectors, as well as a passion to jointly create new solutions to seemingly intractable problems. Acceso strongly believes in proximate leadership and local solutions and thus 99% of team members live within our countries of operation. We’re a diverse team that’s unified by our core beliefs and dedication to making markets work for smallholder farmers.

Adriana Márquez
Associate Director, Monitoring, Evaluation and Learning

Alan Banquez
Billing Assistant

Albino Penate
Manager of Northern Region

Alfonso Chavarría
Operations Manager

Andrés Baiza
Chief Commercial Officer

Annie Lapeyre
Senior Director, Strategy and Planning

Antonio Villalba
Quality Leader

Becca Wammack
Chief Development Officer

Carolina Alfaro
Analyst, Administration and Accounting

Carolina Lopez
Chief Administrative Officer

Catalina Rojas
Recruitment Manager

Claudia Babilonia
Controller, Haiti and Colombia

Daniel Fernando Zappa
Senior Manager, Monitoring, Evaluation and Learning

Danika Moore
Manager, Programs & Innovation

Elkin Berrio
Accounting Coordinator

Fernando Jovel
Manager, Financial Planning and Analysis

Getro Jean Baptiste
Administrator and HR Manager

Gustavo Mendoza
Director, IT and Systems

Heidy Gutierrez
Senior Finance Manager

Ivanna Solano
Payroll Analyst

Jacquelyn Hunter
Chief Financial Officer

Jaime Torres
Director of Agriculture

Jennifer Cadet
Senior General Accountant

Jhonatan Escobar
Senior Full Stack Developer

Jose Antonio Martinez
Chief Accountant

Jose Fernando Aristizabal
General Manager, Colombia

Juan David Infante
Senior Manager, HR Operations

Juan David Mejía
Country Director, Colombia

Katherine Acevedo
Senior Manager, Program Operations

Lina Fernanda Pinto
Senior Grants Analyst

Lucia Molano
Finance Manager

Marco Lesmes
Full Stack Tech Developer

Nancy Granados
Deputy Operations Manager

Nathan Christiansen
Market Analysis Senior Manager

Nathanaël Cantave
Senior Accountant

Nelson Caledonio
Director, Markets

Oscar Garrido
Data Analytics Manager

Paolo Leiva
Director, Financial Planning and Analysis

Patrick Dorzin
General Manager, Haiti

Renaud Romelus
Logistics Manager

Rob Johnson
Chief Executive Officer

Rose Leblanc
Agri Program Manager

Shirly Orozco
Manager, Community Training Farms

Silene Villarreal
Administrative and Accounting Analyst

Sulhey Caro
Analyst, Financial Grant Reporting

Vilma Cuá
Grants Finance Manager

Winifred Ulysse
Deputy General Manager
Meet Our Board

Frank Giustra
Board Chairman
Frank Giustra founded Acceso with President Clinton as a previous initiative of the Clinton Foundation. Frank is the President and CEO of Fiore Group, a private firm managing a broad portfolio of private equity investments and companies, specializing in food and lifestyle, art and entertainment, and natural resources.Frank is also the founder of the Giustra Foundation which is actively involved in the global refugee crisis by providing humanitarian aid, along with being the founding partner in the Global Refugee Sponsorship Initiative. Frank is also the Co-Chair of the International Crisis Group, a widely recognized independent, non-partisan source of analysis and advice to policymakers on the prevention and resolution of deadly conflict.

Jean-Martin Bauer
Jean-Martin Bauer has served with the World Food Programme in the Sahel and central Africa and has responded to food emergencies in Afghanistan and Syria. Bauer has led WFP country offices in the Republic of the Congo and in Haiti. His work has also focused on leveraging digital tech and analytics to fight hunger. A Washington, DC, native, Bauer holds degrees from the London School of Economics and the Harvard Kennedy School. His book, The New Breadline: Hunger and Hope in the 21st Century, won the 2025 Zócalo Book Prize.

Ana Maria Loboguerrero
Ana Maria Loboguerrero is a director at the Bill & Melinda Gates Foundation with extensive experience addressing environmental challenges like climate change and exploring how science can influence policy to transform food, land and water systems. She leads the Gates Foundation’s work to support women in agriculture, improve access to nutritious and affordable foods, and advance climate adaptation and mitigation approaches. From 2020 to 2024, she was a director of the Alliance of Bioversity International and International Center for Tropical Agriculture. Ana Maria has directed climate action at CGIAR, a global research partnership for a food-secure future. She led global policy research for the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS) and CCAFS programs in Latin America. A Colombian economist, Ana Maria also worked as climate change coordinator at a deputy directorate of Colombia’s National Planning Department.

Eric Nonacs
Eric Nonacs is Principal of Golden State, an independent consultancy that focuses on building results-oriented collaborations among and between the private sector, governments, philanthropy, and NGOs to address global challenges such as climate change, pandemic disease, and poverty. From 2010 until 2013, Eric was the Vice President for Alliances and Partnerships at the Skoll Global Threats Fund. Previously, Eric was the Managing Director for Global Affairs at Endeavour Financial, a merchant bank based in Vancouver, Canada. From June 2002 until August 2007, he was the Foreign Policy Advisor to President Bill Clinton and the Clinton Foundation. Eric holds an AB from the University of Chicago, an MA from the London School of Economics, and an MBA from New York University. He is a Member of the Council on Foreign Relations.

Carlyle Singer
Carlyle Singer recently stepped down from her role as president of Acumen, which she held for over 10 years. She previously served on Acceso Colombia’s board and brings a wealth of experience in global business operations and strategic leadership. Prior to Acumen, she served as president and CEO of Katun Corporation and held senior roles at IKON Office Solutions. Carlyle earned an MBA from Stanford University and a B.A. from Harvard College.

Marni Wieshofer
Marni Wieshofer’s background includes Head of Media and Managing Director in Houlihan Lokey’s TMT Corporate Finance Group, based out of Los Angeles, providing mergers and acquisitions, capital markets, financial advisory and financial restructuring services. Before joining Houlihan Lokey, she was a Partner and Managing Director at MESA, a boutique advisory investment bank, where she spearheaded investment banking, strategy and valuation engagements for companies throughout the media space. Her background also includes CFO and EVP of Corporate Development at Lionsgate Entertainment where she oversaw the company’s mergers, acquisitions and other strategic financial initiatives and prominent roles at Media Rights Capital, Alliance Atlantis Communications and Coopers & Lybrand Chartered Accountants. Ms. Wieshofer is a member of the Board of Directors at Hycroft Mining Holding Corporation (NASDAQ: HYMC) and Organigram Holdings Inc. (NASDAQ: OGI) (TSX: OGI). Ms. Wieshofer holds a BA from Western University, an MBA from the Rotman School of Management, is a Canadian Chartered Accountant and obtained the ICD.D designation in 2018.
with a passion for caring.