Stephen Vaccarezza has been a member of Rotary since 1988, first with the White Oak Rotary Club and then with North Bethesda.  He has been president twice with White Oak and once for North Bethesda, and will be again next year for North Bethesda.  He is currently Treasurer of the North Bethesda Rotary Club and President-Elect for next year.  Steve is a practicing physician in Montgomery County with offices on Montrose Road, where he has been for 35 years.  His practice consists mostly of nephrology specialty care, though he does some primary care as well.  He is married with 2 children and 2 grandkids.  Steve will give us a needed refresher on how Rotary Clubs function best and give us tips to strengthen our Rotary community.

Cheryl Kollin is a business consultant and serves as the Program Director of Community Food Rescue (CFR), a program of Manna Food Center. Since its launch in 2015, the CFR network of 450 members has recovered and distributed 7.7 million pounds of food, the equivalent of 6.4 million meals to people experiencing hunger. Cheryl is a founding member of the Montgomery County Food Council. She earned her MBA in sustainable business.

Club Member Bob Sonawane received his Ph.D. degree in Entomology with specialization in Toxicology from the University of Missouri. He was a NIH postdoctoral Fellow and served as a faculty member in the Departments of Pediatrics at the Children’s Hospital of Philadelphia, the School of Medicine, and at the School of Veterinary Medicine of the University of Pennsylvania, Philadelphia, PA.

Dr. Sonawane worked as a Toxicologist with the U.S. Food and Drug Administration in Rockville, MD. He served as a toxicologist and manager at the National Center for Environmental Assessment (NCEA), Office of Research and Development of the U. S. Environmental Protection Agency. Dr. Sonawane has over 35 plus years research and management experience in toxicology and pharmacology and cancer/non-cancer health risk assessment of environmental pollutants. He is retired from the US EPA in 2016 and started consulting company along with Dr. Bruce Fowler in the areas of toxicology and health risk assessment, environmental chemicals and pharmaceuticals. Since 2017, he is an Adjunct Professor at the Georgetown University in Washington DC.

Dr Sonawane received numerous prestigious awards and honors, citations, certificates, Science and Technology Achievement and Special Act Awards for his exemplary research in toxicology and risk assessment of environmental agents.