Senior Management

IESC is managed by a core team of development professionals with a vast range of technical and international experience spanning the globe.  The breadth of technical expertise and global experience is key to driving effective programming for economic growth worldwide.

Thomas Miller, President and CEO
David Hartingh, Chief Operating Officer and Executive Vice President
Jason Jaecksch, Chief Financial Officer and Senior Vice President
Judit Deilinger,  Vice President, Business Strategy
Chad Ford, Associate Vice President, Economic Growth
Sujeewa De Alwis, Associate Vice President, Financial Reporting
Andrea Patrick, Associate Vice President, Volunteer Services
Erin Spinnell, Associate Vice President, Program Operations
Lisa Chensvold, Director, Communications 
Angela Wasson, Director, Monitoring, Evaluation, and Learning
Javed Hamid, Senior Advisor
Ernesto Asuncion, Senior Manager, Contracts & Grants
Samantha Rosenberg, Senior Manager, Human Resources

Thomas Miller is currently the president and CEO of IESC. Prior to joining IESC, Tom was president and CEO of the United Nations Association of the U.S. (2009) and from 2005-08, served as CEO of Plan International, a large NGO that works in 66 countries to improve the lives of children in developing countries. A 29-year career diplomat, Tom's experience in the Foreign Service spanned many continents. From 2001-04, he served as U.S. ambassador to Greece, where he focused on the security concerns of the 2004 Olympic Games in Athens and domestic counter-terrorism. From 1999-2001, as U.S. ambassador to Bosnia and Herzegovina, he worked on helping the country recover after a devastating war. From 1997-99, he was special coordinator for the Cyprus negotiations (rank of ambassador). He was also posted to Thailand, Greece two other times, and the State Department in Washington, where he focused on North Africa, the Middle East, and counter-terrorism issues. In 2011, Tom was appointed by Secretary of State Hillary Clinton to be the chair of the board of the International Commission on Missing Persons, an internationally acclaimed organization that identifies missing persons in many countries by using DNA-matching and other techniques.

Tom serves on the boards of D.A.R.E., Partnership for a Secure America, and Lampsa. He was also recently selected to serve on AARP’s National Policy Council. He is the recipient of many honors and awards as well as honorary degrees. A native of the Chicago area, Ambassador Miller has five degrees from the University of Michigan: a PhD in political science (1975), master's degrees in both political science (1973) and Asian studies (1972), and a bachelor's degree in political science (1969). In addition, in 2003 he received an honorary doctorate when he was the university's commencement speaker.

David Hartingh is an entrepreneurial international development executive with 21 years of experience in small business development, international trade, and international economic development. In his current role as chief operating officer and executive vice president at IESC, David oversees and manages a team of practice leads, associate vice presidents, managers, and associates spanning all three IESC practice areas of economic growth, financial services and volunteer services. His day-to-day responsibilities include executive team liaison, business strategy, client and program management, business development, partnership formation, policies/procedures, organizational metrics of success, and direct oversight of the $105 million USAID-funded Assistance in Building Afghanistan by Developing Enterprises project (IESC’s largest in history). In this role, David has been instrumental in IESC’s organizational transformation to a practice area model, conceiving and implementing new information technology systems, developing and refining new organizational policies and procedures, and in establishing and achieving new organizational metrics of success. Earlier in his tenure at IESC, David wrote and/or led winning proposal efforts for projects in Afghanistan, Lebanon, Sri Lanka, Kazakhstan, Tunisia, Morocco, South Sudan, Cambodia, Egypt and Ethiopia. His experience prior to joining IESC headquarters in 2005 includes launching and subsequently selling his own franchised small enterprise, managing a USAID-funded international trade and investment project operating in 37 countries, working for an international trade policy consulting firm, and working as a franchise consultant. David is a native English speaker and fluent in Spanish. He holds a bachelor’s degree from the University of Virginia and a master’s degree in International Economic Affairs from George Washington University.

Jason Jaecksch is a senior finance and accounting executive who currently serves as chief financial officer and senior vice president for IESC. He brings over ten years of solid expertise in managing all aspects of the financial, human resources, information & communications technology and administrative departments for non-profit organizations. As the key financial director at IESC, Jason is in charge of all major financial reporting and has been responsible for reviewing and executing contracts funding multimillion dollar programs in Southeast Asia, Africa, the Middle East, and Eastern Europe. He strategizes with the cost proposal manager to develop appropriate pricing models; is responsible for all financial reporting to the Board and other senior management officials; responsible for the maintenance of internal controls and accounting systems; plays a key role in IESC’s organizational affairs; and serves as chief system administrator. He also serves as team leader in the recruiting and training of staff and headed the successful transition of the corporate accounting and finance department during IESC’s strategic relocation from Stamford, CT to Washington, DC. Prior to joining IESC in 2005, Jason successfully managed the operations of the largest Migrant Head Start program in the country, where he was responsible for reengineering the network infrastructure to increase data flow and communication; creating various administrative departments for increased efficiency and operational effectiveness; and initiating the redesign of the employee benefits package which led to an annual cost savings of over $1 million. Having facilitated numerous contract award negotiations from various funding sources for IESC, Jason is fully conversant in U.S. Government and other donor funding agencies’ finance and compliance regulations. Jason holds a Bachelor of Science in accounting from Frostburg State University.

Judit Deilinger, IESC’s associate vice president for new business, is a senior international and business development professional with over 18 years of experience in the design, oversight and implementation of international technical assistance programs, strategic leadership, and all aspects of new business development. An economist and educator by trade she is well versed in local economic development, municipal management and services, decentralization, and sustainable development, including urbanization in transition countries. She is a perceptive trainer and facilitator with experience in association development and partnership building. Before joining IESC, she served as director of new initiatives at the International City/County Management Association, where she successfully directed the business development team and designed and implemented multimillion-dollar programs in Europe, Middle East/North Africa and Asia. In addition, she provided strategic leadership for the establishment of the ICMA China Center in Beijing and served as chief of party for CityLinks, ICMA’s flagship program. A native speaker of Hungarian, Ms. Deilinger is fluent in English and speaks conversational Russian. She holds a master’s degree in economics and European studies from the University of Economics in Budapest, Hungary, and a master’s in education.

Chad Ford  is associate vice president for the economic growth practice area at IESC. He is a business development and economic growth project management specialist with more than 20 years of professional experience, including 14 in international development working with U.S. (USAID), British (DfID), and Swedish (SIDA) funded economic growth programs. He has led and supported multi-country technical teams designing project strategy and managing activity implementation. Has completed assignments in Asia, Africa, and Eastern and Southern Europe, working focused on value chain development, trade capacity building, and business enabling environment. He is a long-term member of the Washington International Trade Association (WITA) and holds a bachelor’s degree in social science and Latin America area studies from the University of Minnesota.

Sujeewa De Alwis is a small and medium enterprise development expert with more than 20 years of experience in Asia, Europe, Africa, North America, and Pacific. He currently serves as associate vice president for financial reporting at IESC. He has particular expertise in the areas of helping firms increase technological sophistication and finding new markets. At the policy level, he has worked in the USAID’s first competitiveness project to bring together different stake holders of the economy and increase the competitiveness of the nation. He was instrumental in forming the eight industry clusters, and in establishing a tri-part national competitiveness council comprised of members from industry, government, and labor. He also helped develop  a new productivity policy for Sri Lanka and a new trade and export diversification plan. He worked with international socio-economic research institutes such as World Economic Forum to rank nations in their global competitiveness report. Sujeewa also leads the OPIC program at IESC.

Andrea Patrick serves as associate vice president for volunteer services. In this capacity, Andrea is responsible for building the volunteer practice through outreach, strategic marketing and development, and recruitment. Prior to assuming this new role in January 2014, Andrea served as the recruiting director for the organization, conducting all recruitment and onboarding activities for employees, consultants, and volunteers. Andrea brings a range of relevant international professional experience to her new role that includes management consulting, non-profit operations, and international education administration. In addition to Washington, Andrea has worked and lived in Moscow, Almaty, Amsterdam, Cape Town, and Johannesburg. She worked for the International Lending Agency group of Deloitte Touche in the states of the Commonwealth of Independent States, and then was transferred to South Africa to help build and manage the firm’s international development consulting practice in sub-Saharan Africa. As resident director for the Arcadia University Study Center in Cape Town, Andrea built relationships with the three leading universities, designed the curriculum, and supervised the study abroad experience of students from major universities across the US. A graduate of Georgetown University, Andrea also earned an MA from George Washington, and an MBA from the University of Cape Town in South Africa.

Erin Spinnell, associate vice president for operations, joined IESC in 2000 and has more than 12 years of experience managing overseas based technical assistance and capacity building programs across sub-Saharan Africa, Asia, the Middle East, and Southeast Europe, She has been responsible for program design and a wide range of program activities, including the coordination of large-scale seminars and workshop training programs, recruiting and fielding volunteers and paid experts for projects in multiple industry sectors, as well as the oversight of monitoring and evaluation processes for programs. She has also served as the business development and communications manager for a global trade program, linking small-and medium-sized firms in 40 countries. As associate vice president for program operations, Erin oversees IESC program management systems and processes. She holds a bachelor’s degree from the University of Washington and a master’s degree from George Washington University.

Lisa Chensvold serves as IESC’s communications director, leading all aspects of external and internal communications and providing support and guidance to program teams in the field. She has more than 15 years of experience in communications, writing, and editing. Prior to joining IESC, she served as director of communications at the Institute for Global Health & Infectious Diseases at the University of North Carolina at Chapel Hill. There she led communications for a $60 million research enterprise. In 2011 and 2012, Lisa helped to lead public relations efforts for one of the institute's projects, a landmark multinational HIV prevention study that was named “Breakthrough of the Year” by Science magazine and covered in publications around the world. As a freelancer, she has written about or edited work on everything from design and fashion to history and chemistry. Lisa holds a master’s degree from the University of North Carolina at Chapel Hill and a bachelor’s degree from the University of California at Santa Barbara. 

Angela Wasson joined IESC in 2013 and currently serves as director of monitoring, evaluation, and learning. She has more than a decade of experience in monitoring and evaluation, program management, training design and facilitation, knowledge management, and capacity building, in the US and overseas. She has conducted M&E, program oversight, and community development assignments across Asia (including Afghanistan), Sub-Saharan Africa, North Africa, Middle East, and Eastern Europe. She has extensive experience in designing and implementing USG-funded M&E systems; from building the development hypothesis using results frameworks, causal models, and logical frameworks all the way to ensuring data quality and reporting results to the client/donor. In Afghanistan, she designed a survey to measure citizen satisfaction with municipal service delivery and managed a team of 80 to collect, scrub, and analyze over 2,100 responses (40 percent women) in eight weeks. Angela served as a Peace Corps Volunteer in Romania where she assisted a youth NGO with organizational development, established a youth center serving 40 Roma children and at-risk adolescents, championed an art initiative that developed the English skills of over 250 high school students, and delivered trainings to over 800 participants across Romania, Slovakia, and the Czech Republic. She holds a master of science in development management from the American University and a bachelor of art in economics and international relations from the University of Southern California.

Javed Hamid  is a senior advisor to IESC. He joined the organization in April 2007 after a long career at the International Finance Corporation (IFC) of the World Bank Group. At IFC, Javed was a member of the Management Group and Director for the East Asia and Pacific Region. Javed serves on the boards of companies in China and Pakistan and is a non-resident fellow of the Brookings Institution in Washington, D.C. He has been a regular speaker at the World Economic Forum as well as a contributor to the Asian Wall Street Journal, the Far Eastern Economic Review, and many academic journals. His advanced degrees were awarded by the Harvard Business School and Cambridge University.

Ernesto Asuncion is the senior manager of contracts and grants. Prior to joining IESC, Ernesto has developed expertise in contracts and compliance as applied to international development programs. He has worked for both nonprofit and for-profit contractors, including Palladium International, dTS, FHI 360, and AED where he implemented and oversaw robust policies and regulations for U.S. and foreign government clients. He also provided leadership, coaching, and direction to contracts and technical staff in order to deliver the highest level of success in program management. In his current role, Ernesto has overall responsibility for interpreting and applying client rules and regulations to ensure IESC remains in compliance with award requirements. He also oversees procurement policies and procedures that enable IESC to maintain the highest industry standards for competition and integrity. He holds a certificate in procurement and contracts management from the University of Virginia, and a Bachelor of Science degree from Drexel University in Philadelphia.

Samantha Rosenberg Samantha Rosenberg serves as the senior manager for human resources, leading all aspects of human resources for IESC both in the home office and oversees including organizational development, performance management, employee relations, and benefits administration. Samantha has over 15 years of experience in human resources and recruiting. She has worked for both non-profit and for-profit organizations and came to IESC from The Children’s Inn at the National Institute of Health (NIH). Samantha has a Bachelors in International Affairs from George Washington University in Washington, DC and is certified as both a Senior Professional in Human Resources (SPHR) and a Society for Human Resource Management Senior Certified Professional (SHRM-SCP).