Our Team

The BCtA Secretariat is a made up of a team of professionals and support staff who manage the day-to-day operations of the program. BCtA is headquartered at the United Nations Development Programme (UNDP) and has representatives in partner offices around the world.

Secretariat Staff

Suba_Headshot2Suba Sivakumaran

Suba Sivakumaran is the Programme Manager of the Business Call to Action at the United Nations Development Programme. She has spent seven years with the United Nations Development Programme working on private sector, inclusive business and markets for the poor. Prior to her post at BCtA, she was the lead Researcher at the Growing Inclusive Markets initiative in UNDP.

She is the lead author of the report Breaking Through (2014) on inclusive business, the lead author of the UNDP publication “The MDGs: Everyone’s Business” and member of the author teams for various other UNDP publications on inclusive business and private sector development. In addition, she is the sole author of the flagship publication “Market Analysis in Emergencies” on reviving and analyzing markets in emergency situations (a Cash Learning Partnership publication) and has a number of years of experience in financial inclusion and cash transfers in emergency situations.

Previously to her time in UNDP, Suba was the Country Director of Room to Read Sri Lanka, an international educational non-profit building schools, libraries and supporting girls on scholarship in the tsunami and conflict zones of the country. Prior to that, Suba was a research analyst with the investment bank Morgan Stanley in London covering energy and commodity companies in Europe and the Middle East. Suba holds a B.Sc. (Hons) in Government and Economics from the London School of Economics and a Master’s in Public Policy from the Kennedy School of Government at Harvard University where she received a full scholarship as a Reynolds Fellow in Social Enterprise.

DSC_8685_resizedTatiana Bessarabova Tatiana Bessarabova leads inclusive business knowledge work for the Business Call to Action. Tatiana is an author of various publications for the BCtA on inclusive business and climate change, agriculture, sustainable energy, low-income housing, and various case studies. Prior to joining the Business Call to Action, Tatiana was a Tinker Fellow in Peru, where she conducted field research on sustainable development in the mining region of Cajamarca. Previously, she worked at the Council of the Americas and UNDP Private Sector Division focusing on fostering partnerships with philanthropic and private sector actors. She also has experience in working on the public-private partnerships in Central Asia and Latin America. In the past, Tatiana served as the Director for Eastern Europe and CIS at the Women’s Equity Council of United Nations Association, and worked as the Fund Manager for the Student Promoted Access Center for Education and Service in San Diego. She also worked as a researcher for the Center for Comparative Immigration Studies at UC San Diego. A native of Kazakhstan, Tatiana speaks Russian and Spanish languages. She holds a B.A. in Political Science from the University of California, San Diego, and an M.S. in Global Affairs from New York University.
Tomohiro NagasakiTomohiro Nagasaki Tomohiro Nagasaki is the Impact Team Lead of Business Call to Action, where he leads initiatives on impact measurement of inclusive businesses. Tomo is also a co-author of BCtA’s flagship report “Breaking Through (2014)” on inclusive business and contributes articles on social impact to Guardian Sustainable Business. Prior to UNDP, Tomo worked for Citi’s Institutional Clients Group in Tokyo where he engaged in emerging market financial transactions in Asia. He also worked for the International Finance Corporation in Washington D.C., and consulted for the Nigerian Ministry of Agriculture on the country’s private sector development projects in the agricultural sector. Tomo holds a master’s degree in International Business and Development Economics from The Fletcher School at Tufts University where he was a Fulbright Scholar, and a B.A. in International Relations from International Christian University in Tokyo.
TatsianaHulkoTatsiana Hulko
Tatsiana Hulko is an Outreach Coordination Consultant for the Business Call to Action Program responsible for supporting and conducting client facing outreach to global companies practicing Inclusive Business. Tatsiana joined the BCtA team after working as a consultant for a global FMCG company working in the Russian and CIS markets. Previously, Tatsiana was a regional financial analyst for Bloomberg Emerging Markets division focusing on Eastern Europe, Central Asia and the Caucasus. Prior to her private sector experience, Tatsiana managed regional conflict-mitigation and development portfolio for USAID with programs focusing on microfinance, small and medium enterprise, civil society and public health. She holds a Master’s degree in Foreign Service from Georgetown University and an MBA from London Metropolitan University.
LizzieKiama Lizzie Kiama Lizzie Kiama is BCtA’s Outreach Consultant for Kenya. Lizzie is responsible for conducting outreach to companies practicing Inclusive Business in Kenya. She is also responsible for creating awareness about Inclusive Business, the BCtA brand, and engaging with people living at the Base of the Pyramid (BoP). Lizzie’s background includes working with low-income and marginalized groups and creating inclusion strategies for non-profit and for-profit organizations in Kenya. She has a BSc. in International Business Administration from United States International University, Africa. Lizzie has a strong passion for Disability Rights and the use of Sports in Development.
 MinjaNieminenMinja Nieminen Minja Nieminen is a Consultant with the Business Call to Action based in Kenya where she supports BCtA’s knowledge and impact activities under a collaboration with the United Nations Development Programme Kenya. Minja has worked previously at UNDP Kenya in private sector development and engagement, focusing on building partnerships. Prior to joining the UN, Minja worked at Deloitte in Corporate Responsibility and Consulting. She has also experience from working in India in SME trade development, in Mexico for the Embassy of Finland and in France for the International Finance Corporation (IFC).Minja holds a Master Degree in International Business and a Bachelor’s Degree in Economics from the Aalto University in Helsinki, Finland, with exchange studies conducted in Chile and Spain. Interested in development impacts of inclusive business, Minja wrote her Master’s thesis for the Finnish Development Fund, studying the case of a pharmaceutical company operating in Kenya.
AiOharaAi Ohara Ai Ohara is the BCtA Outreach Consultant based in Tokyo where she recruits Japanese companies with innovative inclusive business models, provides consultations in initiation of inclusive businesses, as well as advocates the work of BCtA. Ai joined UNDP as a Consultant for the Private Sector Partnerships in 2012. Prior to joining BCtA, she had managed pilot projects to develop inclusive business models jointly with Japanese companies and UNDP country offices in Africa and Latin America, as well as organized several seminars and workshops to promote the concept of inclusive business. Prior to joining UNDP, Ai has had nearly 20 years of experience working for the leading consulting firm of Japan, Nomura Research Institute as a researcher of regional development and as a manager of CSR and corporate communications. Ai holds Master of Development Administration degree from Western Michigan University in the U.S.


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