Dan serves as Director and Publisher of BloodFlowOnline.com, an online resource dedicated to raising awareness about the importance of healthy blood flow. A graduate of Harvard College, Mr. Cho has more than 12 years of experience in the management of emerging growth technology companies in the medical field. From 2009 to 2010, he was Vice President of ProMetrics, a healthcare consulting firm, where he led engagements with healthcare providers in the areas of cardiovascular and renal disease. Previously, Daniel was President and COO of Rheologics, a developer of blood viscosity diagnostics for cardiovascular diseases. He has co-authored three peer-reviewed scientific articles and is the inventor of two pending patents.

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Young Cho is Professor of Mechanical Engineering and Mechanics at Drexel University in Philadelphia. His primary research interests include hemorheology (the study of blood flow) and vascular diseases, as well as water purification and energy. He is an inventor of the Hemathix viscometer, the world's most advanced clinical viscometer, and its predecessor, the Rheolog viscometer. Professor Cho has authored/co-authored approximately one hundred seventy papers in the area of heat transfer, fluid mechanics, rheology, acoustics, combustion and energy.  

Dr. Cho is editor for Handbook of Heat Transfer (McGraw Hill, 3rd ed.) and an editor for the Advances in Heat Transfer (Academic Press). He was the recipient of the 1992 Lindback Award for excellence in teaching at Drexel University. In 1993, Dr. Cho was nominated by U.S. DOE and elected as the chairman of the Advanced Fluid Committee under the International Energy Agency. In 1995, he was the recipient of the Research Professor of the Year at Drexel University. He received his Ph.D. from the University of Illinois at Chicago and holds M.S. and B.S. degrees in Mechanical Engineering from Seoul National Unversity in Korea.