We are a small team of professionals with a wide range of skills and experience. We love what we do, and we do it with passion. We look forward to working with you.
Dr. Janny Chang
Dr. Chang has spent a decade living on and off in Africa. She began volunteering in The Gambia, living in a rural village after college and then pursued graduate research in Zambia since 2006. She worked and consulted for Chinese and Zambia companies from 2007 to 2012, while pursuing her doctorate in Anthropology at Columbia University. Her involvement with S.L.E.E.P began from its inception when she served as a grantwriter. She is passionate about making change in the world through education and technology.
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Dr. Vincent Chau
Chairperson of Nominating and Governance Committee
Dr. Chau is a Medical Scientist Training Program Fellow and M.D. at the University of Texas Southerwestern Medical Center in Dallas, Texas. He is an M.D./Ph.D. Candidate in Genetics and Development. As an undergraduate in Cornell, where he graduated Magna Cum Laude, he also obtained a Certificate in Africana Studies. Dr. Chau currently serves as a volunteer for the Grameen Foundation in Singapore and has been active with S.L.E.E.P. since 2008.
Dr. Assiatu Bah
Dr. Bah is both a Sierra Leonean and Texan at heart. She moved to Texas from Sierra Leone as a teenager, finished high school in Euless, went to UT-Arlington for undergrad and graduate school and continued her studies in becoming a doctor at UT-Southwestern.
She had always dreamed of making a difference in peoples’ lives, especially being one of 21 children born in the village, where education is the least valued commodity for a girl. She has extensive experience in Family Medicine and values the opportunity to serve the underserved population at the clinics where she works. She enjoys working with women and children, the young and the old, and her future plans include returning to countries like Sierra Leone to practice medicine. Being involved with SLEEP is one way in which she can give back.
Sierra Leone Director
Isaac has assumed a leadership role at SLEEP since 2009. He has passionate about community development through innovation and creativity, and has always sought to improve lives through collaboration and outreach. He graduated from the University of Sierra Leone with a B.Sc. (Hons) in Financial Services and worked in higher education and in the nonprofit sector for many years.
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Alan So entered the nursing program as a Nursing and Psychology and Human Services double major and graduated with a B.S. in Psychology and Human Services in December 2013. He is a 4th semester nursing student with an expected graduation date of May 2014. He has functioned as a C.E.O. of the Sierra Leone Educational Enrichment Project a 501(c)(3) focused on providing educational materials to a country still recovering from a civil war over 10 years ago. He is dedicated to serving the community and is currently a member of the Clayton County Medical Reserve Corps. With his experience of being a leader, he plans to continue leading the Clayton State SNA into the community where as a team the SNA can serve.
Oshri L. Hakak
Founding Board Member
In college at Duke University, Oshri co-founded a non-profit called SLEEP which delivered used textbooks to Sierra Leone, and which since has coordinated a book drive with Los Angeles Unified School District and World Vision to salvage about half a million books to be used for donation. He has also been developing BeeFreed, a social enterprise for agriculture and food processing, also in Sierra Leone. Oshri Hakak holds a Master of Management Studies from Duke University’s Fuqua School of Business. Oshri is also the Managing Director of BeeFreed, a social enterprise based out of Sierra Leone, West Africa, and is a certified mediator in conflict management. In addition to his passion for business, Oshri is a guerrilla art sculptor, beekeeper, and gardener. Oshri was an Instructor and RA teaching Business Management, Social Entrepreneurship, and Conflict Mediation at Yale Explo program.
Dr. Rajasree Roy
Founding Board Member
Dr. Rajasree Roy, MD is a board certified hematologist in New Hyde Park, New York. She is currently licensed to practice medicine in New York. She is affiliated with Long Island Jewish Medical Center and is an Assistant Professor at Hofstra North Shore-LIJ. She volunteered with Educaid, a British-based organization that provides free secondary school education to students in Sierra Leone. Primarily involved herself with the Health Education Program, she led workshops on various health topics. She also spent summers teaching at a village school in Kolkata, India and served as a Resident Advisor at Duke University.
Sean F. Rosario
Founding Board Member
Sean is Counsel at Smith, Gambrell & Russell, LLP, where his practice focuses on corporate transactions — including mergers and acquisitions and corporate governance matters — and securities representations of public and private companies, especially offerings and compliance issues. Mr. Rosario has assisted in the representation in a wide variety of corporate matters including, advising issuers and underwriters in initial and follow-on public offerings; advising public and private companies in mergers and acquisition; advising borrowers and lenders in financing transactions; advising public and private companies on general corporate governance matters and securities law compliance and reporting obligations.
Mr. Rosario is admitted to practice in New York and Georgia. He is a member of the American Bar Association, the Georgia Bar Association, the New York State Bar Association and the New York City Bar Association.
Mr. Rosario received his B.S. degree, summa cum laude, from Kansas State University in 2002. He received his J.D. from Harvard Law School in 2006. In 2008, Mr. Rosario received his MS degree from Purdue University and his MBA degree from Indiana University.
Bhumi Purohit has a Master’s Degree in Contemporary India Studies Program at Oxford University. She recently worked as a Program Associate at One Acre Fund, a non-profit that provides inputs to small-scale farmers through credit with the aim of helping them achieve food security. Prior to working with One Acre Fund, Bhumi was an AIF Clinton Fellow in India where she helped create a small-scale supply chain to directly connect organic farmers with an exclusive market. She’s passionate about the impact business principles can have within the social and public sectors. Her work with SLEEP began in 2011 when she led a Debate Workshop at an Educaid school in Freetown, Sierra Leone.
Dr. Andrew Wang
Dr. Wang went to Harvard for his undergrad and then spent 7 years at UTSW and the University of Paris for his MD and PhD. He was subsequently fast-tracked into Rheumatology. He is also a concert violinist who recently performed in Israel and Poland, and has led a few social enterprises operating out of Sierra Leone. He met his wife, who does dyslexia research at Yale, in 2008 whilst sport climbing and welcomed their first baby, James, into this world on 27 August. Dr. Wang is currently an Assistant Professor at Yale’s School of Medicine.