Carbon counting in Berau. (c) Bridget Besaw

Our Leadership Structure


Globally and locally, the staff of The Nature Conservancy is committed to respect, integrity, diversity and lasting results.
The Nature Conservancy is led by our CEO and President, Mark Tercek. A former managing director for Goldman Sachs, where he spent 25 years, Mark brings deep business experience to his role leading the Conservancy, which he joined in 2008. He is a champion of the idea of natural capital—valuing nature for its own sake as well as for the services it provides for people in Indonesia and elsewhere, such as clean air and fresh water, productive soils and a stable climate.


TNC Indonesia Program Leadership Structure

RIZAL ALGAMAR, Country Director

Rizal Algamar is the Country Director of The Nature Conservancy - Indonesia Program since 2012 and Chairman of the Board of Management of Yayasan Konservasi Alam Nusantara since 2015. With 20+ years of experience in both corporate and non- profit sectors, Rizal’s background includes international trade and business development, fast moving consumer goods and financial sector at various Indonesian conglomerates. He also worked with the Putera Sampoerna Foundation, the largest private foundation in Indonesia that provides access to and quality of education as Head of Partnership. Prior to joining The Conservancy, he was the Senior Vice President at Bank BTPN, majority-owned by US based private equity firm TPG Capital, where he designed and implemented successful bank-wide CSR programs in health & wellness, entrepreneurial capacity-building training and community empowerment program for the mass market segment that aimed to improve customer’s businesses, livelihood and healthy life style. His personal passions are in developing impact at scale through social responsibility and sustainability balanced with pragmatic business perspective and organizational excellence.

HERLINA HARTANTO, Terrestrial Program Director

Herlina Hartanto started working with TNC Indonesia in February 2010 as the Terrestrial Program Learning and Application Senior Manager. Less than a year later, she led the Community Forest and Protected Area teams before officially became our Community and Protected Area Senior Manager in May 2012. Before joining TNC, Herlina was a scientist at the Center for International Forestry Research (CIFOR), 1997- 2005, undertaking research in several countries on water-related criteria and indicators for sustainable forest management, adaptive collaborative management of community forests and collaborative monitoring. Her wealth of experiences also includes designing, managing, and evaluating bilateral and multilateral funded projects. Herlina obtained a PhD from Monash University, Australia, on the political ecology of customary forest institutions in Central Sumatra, Indonesia. As Terrestrial Program Director, Herlina leads, manages and implements the terrestrial components of TNC’s program of work in Indonesia.

MUHAMMAD IMRAN AMIN, Coastal and Ocean Program Deputy Director

Imran joined TNC in June- 2006 and his role primarily to help Marine Program in developing and strategizing the marine policies in Indonesia. For almost 20 years experience, Imran has been involved in development team for Marine regulations in Indonesia, from presidential until minister law. Imran graduated from Marine Science of Bogor Agricultural University in 1996 and founder of Telapak Indonesia Foundation. Telapak is an association of NGO activists, business practitioners, academics, media affiliates and leaders of indigenous peoples, fishers, and farmers of Indonesia towards sustainability, sovereignty, and integrity.

DR. PETER MOUS, Fisheries Program Director

Dr. Mous joined TNC in January-2014. In this role, Dr. Mous will lead, develop, manage and implement the Fisheries Program Conservation Business Plan. Dr. Mous obtained his PhD in Fisheries from the Wageningen Agricultural University in the Netherlands. He comes from Chemonics, the contractor for USAID Indonesia Marine and Climate Support (IMACS) Project, where he served as the Sustainable Fishery Technical Advisor. Dr. Mous’ strengths are ecological and resource use monitoring, quantitative analyses of coastal artisanal fisheries, development of zoning plans and of progress monitoring instruments, and training of practitioners. In 2007-2008, he worked as Marine Protected Area Advisor of the World Bank-funded Coral Reef Rehabilitation and Management Program, which is implemented by the Ministries of Forestry and of Marine Affairs and Fisheries. Before that, he worked as Scientific Advisor on Marine Protected Areas and Fisheries for The Nature Conservancy in Indonesia, supporting a fast-growing marine conservation program over the period 1998 - 2007. In this capacity, Dr. Mous gained broad experience on marine conservation in developing countries, and he provided technical supervision to marine conservation projects in Komodo, Raja Ampat, Wakatobi, and Derawan.

STEFANUS R. ARYAWAN, Development Director

A senior level strategic management person with extensivevbackground in Strategic Management, Client Relationship, Finance and Accounting, Information Technology, Legal and Human Resources with over 20 years of professional experience. Responsible in overseeing all in-country fundraising activities that include Corporate Engagement, Private Philanthropy (high net worth individual), Membership (retail) and Public Funding Agencies. Previously worked in Putera Sampoerna Foundation in 2005-2011 as a Head of Business Development and later on as Chief Financial Officer from the year 2007-2011. Before that, Stefanus pursued his career in Bank International Indonesia (BII) in 2004-2005 as the Planning Program Manager. Stefanus earned his Bachelor’s Degree in Marketing from Boston College, Cambridge.

WAHJUDI WARDOJO, Senior Advisor for Terrestrial Policy

Wahjudi Wardojo graduated in forestry from University of Gadjah Mada, Indonesia, and Michigan State University, East Lansing, USA, for his master degree. After his retirement from the Ministry of Forestry, he currently serves as a TNC Senior Advisor for Conservation Policy. In this position he works closely with the TNC’s International Climate Policy Team at international, regional, and national levels and advices TNC in developing the Forest Carbon Program in Berau in particular and Indonesia Program in general. On behalf of TNC, he is also an alternate member of Oversight Committee for Debt for Nature Swap Project under Tropical Forest Conservation Act 2 (TFCA 2), for Kalimantan. He is also a member of United Nations on Sustainable Development Solutions Network (SDSN), Indonesia Chapter (2013), and a member of the Netherlands Academy on Land Governance (LANDac)’ Land Forum of Utrecht University, Netherlands (2013). In 2001-2005 he was Ministry’s Secretary General. He was also Director General of Forest Protection and Nature Conservation (2001), Director General of Forestry Research and Development Agency (FORDA 2005-2009) as well as Special Advisor and Secretary of the Minister (2000). Prior to these assignments, he was assigned as the Forestry Attaché at the Indonesian Embassy in Tokyo (1997-1999).

ADE SWARGO MULYO, Marketing and Communications Director.

Ade completed his Master degree in finance and strategic management in Institute Management of Education and Development business school (Institut PPM) and advance study on development from Centro Internationale del Lavoro, Turin, Italy. He spent numerous years working at international development agency and hold senior position with United Nation Development Program (UNDP), USAID environment program and Swiss Technical Cooperation. Prior working on development world, he was working with various private sectors such Alatief corporation, Freeport McMoran and banking industry.

BACHRUN IDRIS, Finance and Operations Director

Bachrun joined TNC since January 2006 to serve as Finance Director for the Indonesia Program. He is responsible for overall financial management of the organization, reporting to Regional Finance & Operation Director with dotted line to the Triumvirate Leaders. Part of his tasks include managing financial of multi programs and multi donors, financial reporting and analysis, grant management, budget preparation and control, internal audit and compliance, taxation and payroll administration. Before working for the non-profit organization, Bachrun spent 20 years in manufacturing and six years in trading and distribution, in which the last 19 years of it was in charge as finance director in five multi national companies. He graduated from Academy of Management Industry and University of Indonesia, both in Jakarta, majoring respectively in accounting and business finance.