MADISON, Wis.--(BUSINESS WIRE)--Gentel Biosciences announces the promotion of G. Randall Durnell, Ph.D., to Executive Vice President & Chief Operating Officer and the hiring of Dan Clutter, Ph.D., as Vice President of Commercial Development. Dr. Durnell has been with Gentel for over a year where he served as the VP of Commercial Operations. In his new role, Dr. Durnell will be responsible for all aspects of Gentel’s commercial business, including Manufacturing and Corporate Development. Dr. Clutter will report to Dr. Durnell and has responsibility for Sales, Marketing and Product Commercialization. Prior to joining Gentel, Dr. Clutter has been in Sales, Marketing and/or Business Development for PerkinElmer, Invitrogen, Roche, Celera, PanVera, Asterand and NimbleGen.