Washington Scientific LLC is a think tank specialized in solving the challenges in healthcare. We provide critical insights and creative solutions based on the scientific principles for governmental and non-governmental organizations, and private entities. We have networks of attorneys and patent lawyers as well as health science and medical experts to effectively solve the complex medical and social problems that our clients are facing. We are based in the Washington D.C. metropolitan area.


Doug Yoon, MD, PhD, MBA

Dr. Doug Yoon is Co-founder and Chief Scientist of Washington Scientific. Dr. Yoon specializes in application of scientific principles and risk management strategies to medical, environmental health, and pharmaceutical area. Dr. Yoon provides critical scientific insights to clients, often in a multinational and multicultural setting, by utilizing his medical and epidemiological expertise. Dr. Yoon's work includes evaluation of admissibility of scientific evidences in courts based on human, animal and in vitro evidences; providing critical scientific and medical insights for effective drug development; evaluation of epidemiological studies involving cancer or other chronic diseases; evaluation of specificity and alternative causes of medical conditions; analyzing environmental exposure modelings; examination of causation criteria and disease susceptibility claims; and evaluation of medical treatments or guidelines through the principles of evidence based medicine.

While serving as a medical school professor at Korea University in South Korea, Dr. Yoon and his team designed evidence-based screening strategies for infectious diseases, chronic diseases and cancers including hepatitis A/B/C, sexually transmitted diseases (STDs), cardiovascular diseases (CVDs), diabetes, metabolic syndrome, stomach cancer, and lung cancer. Dr. Yoon wrote patient-centered and family-oriented medical information booklets for use in the Health Promotion Center. Dr. Yoon contributed in developing Standard Operation Protocols (SOPs) for Institutional Review Boards (IRBs) and Clinical Trial Centers (CTCs) in Korea University Medical Center. Dr. Yoon worked as an Information Technology Committee member while implementing an electronic health record (EHR) system to the hospitals in the Korea University Medical Center (KUMC). The CTCs which Dr. Yoon played a pivotal role in establishment were the first of their kind in South Korea.

Dr. Yoon previously served as a committee member of the Medical Knowledge Improvement Committee under the Korean Medical Association (KMA) to provide evidence-based information to the medical community and general public. He wrote chapters of the medical textbooks published by the Korean Academy of Family Medicine (KAFM). He was featured more than 30 times in Korean nationwide television programs, and more than 30 newspaper/magazine articles, guiding general public by correcting misconception and providing evidence based medical knowledge.

Dr. Yoon is a strong advocate for humanitarian actions. He has participated and led numerous medical relief actions responding various disasters including the 2005 tsunami and the 2006 earthquake. The paper that Dr. Yoon authored after 2005 tsunami disaster helped the U.S. doctors to estimate the diarrhea and infectious disease prevalence after the 2005 Katrina disaster. In November 2014, the Korean government selected Dr. Yoon as a physician member of the Korean Disaster Relief Team (KDRT), a South Korean government's effort to fight against the Ebola outbreak in West Africa.

The full CV of Dr. Yoon can be downloaded from here.

Yun Seop Kim, PhD, MPH

Dr. Yun Seop Kim joined Washington Scientific in 2016 as a Managing Scientist. Dr. Kim specializes in public health capacity building for developing countries and he is an expert in hospital systems and public health strategies. He brought 20 years of experience as a Deputy General Manager of the Office of External Cooperation & Public Relations in Korea University Medical Center and as a consultant for KOICA (Korea International Cooperation Agency, an Korean equivalent of USAID) and for the Embassy of the Republic of Korea in Peru.

Dr. Kim has conducted numerous public health projects in more than 10 countries in the fields of hospital management and RMNCAH (reproductive, mother, newborn, child, adolescent health service). During 2009-2015, while working as an expert of KOICA and for the Embassy of the Republic of Korea in PERU, Dr. Kim successfully completed 15 projects to support various programs ranging from improving water hygiene, improvement of the health system for mothers and children with partnerships of local hospitals and international organizations including UNICEF, PAHO, and Partner in Health. Dr. Kim traveled extensively to remote regions of Solomon Islands, Peru, Cote d´Ivoire, Iraq, Ghana, Nepal, and Boliva to evaluate public health programs for WHO, UNICEF, and UNFPA.

Dr. Kim also took part in organizing a relief team as a Medical Coordinator for disaster relief from the earthquake in Haiti in 2010 and 2011, the volcano eruption in Indonesia in 2006, and the earthquake in Pakistan and the tsunami disaster in Sri-Lanka in 2005. He developed AID’s activities and consulting in Malawi in Africa and fund raising for several projects for this relief programs.

Dr. Kim is a research professor in Korea University and is currently performing daily research activities in Cornell University as a Visiting Scholar.

The Full CV of Dr. Kim can be downloaded from here.


Jae-Wook Choi, MD, PhD

Dr. Jae-Wook Choi is a Professor of the Preventive Medicine Department at the Korea University College of Medicine and the Director of the Institute for Occupation and Environmental Health of the Korea University. Dr. Choi is currently the Policy Director of the Korean Medical Association.

After receiving a Master's degree of Public Health in 1991 at the Seoul National University, Dr. Choi received his Ph.D. in the Industrial Medicine at the Korea University Graduate School in 1994. Dr. Choi started work as an Assistant Professor in 1996 at the Preventive Medicine Department of the Korea University School of Medicine and subsequently promoted to a full professor in 2009. He teaches causation and scientific principles for the students of Korea University. Dr. Choi authored 50+ peer review papers in the field of preventive medicine, environmental medicine, occupation/industrial medicine. The covered area of Dr. Choi papers includes:

  • Risk Communication and Perception of Electromagnetic Waves from Cellular Phones with a Focus on Women
  • Necessity and the strategy to establish a national poison center in Korea: through needs survey analysis and database status for Chemical Accident Emergency Respond Information System
  • Association of arsenic levels in soil and water with urinary arsenic concentration of residents in the vicinity of closed metal mines
  • Hazard Classification of Household Chemical Products in Korea according to the Globally Harmonized System of Classification and labeling of Chemicals
  • Effects of a Tailored Health Promotion Program to Reduce Cardiovascular Disease Risk Factors Among Middle- and Advanced-age Bus Drivers
  • Application Status and Its Affecting Factors of Double Standard for Multinational Corporations in Korea
  • Smoking Cessation Intervention Using Stepwise Exercise Incentives for Male Workers in the Workplace
  • Advanced Korean Industrial Safety and Health Policy with Risk Assessment, Safety and Health at Work 2010

The full CV of Dr. Choi can be downloaded from here.