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Meet Our Team

Administrative Staff

Anish Ranjan

Director of Operations

Anish completed his undergraduate degree in Information Technology with a Concentration in Advanced Networking from the University of Phoenix in 2011. Initially joining Charak Center as the IT Director in August of 2012, he has been the Director of Operations since May of 2013.

Marc Duvin

Legal and Business Consultant

Marc Duvin graduated from Dartmouth College in 1987, and joined the Ohio and Texas bars since graduating with honors from Southern Methodist University in 1990. In addition to practicing law, Marc is a business owner and entrepreneur who has operated and participated in successful businesses at all levels. In 2013, in pursuit of a Masters of Law specializing in Healthcare, Marc began an intensive study of healthcare law at Cleveland Marshall College of Law. Marc successfully completed all course work, garnering the Healthcare Student of the Year Award in 2014, and will formally receive his LL.M. upon completion and acceptance of his thesis. Marc's ultimate goal is to focus on Charak's varied business and legal issues so Charak's talented doctors and clinicians can focus on helping Charak's clients.

Janet Tomasek

Billing Manager

Janet is a Mayfield High School graduate and attended Bowling Green State University.  She has been in the medical field of billing for the last 34 years, and in the behavioral health field for over 19 years. Currently, she supervises and manages the billing department at Charak Center.

Teri Bowers

Billing Assistant

Teri graduated from Terryville High School in Connecticut and attended Franklin University in Columbus, Ohio. She has worked in the medical/billing field for 31 years in occupational therapy, pediatrics, and the last 9 years in behavioral health.  Currently, Teri assists Janet in the billing department at Charak Center.

Bin Cao


Bin worked in pharmaceutical sales for 15 years after graduating from college with a bio-pharmacy degree. After that, Bin moved to the United States and went back to college earning a second degree in accounting. Bin worked as a general accountant for five years dealing with multiple roles such as AP, AR, Payroll, Tax and the like, and is currently studying at CSU to achieve a master of accounting and certified business analysis degree.

Susan Lehman

Credentials Coordinator

Susan has worked with Charak Center for over eight years. She has served in several different capacities at three of the five practice locations. Currently, Susan is working as the Credentialing Coordinator in the Credentialing Department.

Sherrie Robinson

Credentials Coordinator

Sherrie is a Norton High School graduate certified in Information Processing II from Adult Vocational Services in Akron, Ohio. She has worked over 20 years in the field of mental health, and has over 19 years experience in credentialing. Sherrie enjoys her work and finds her position to be very rewarding at Charak Center. The experience and knowledge she has acquired over the years working with Dr. Ranjan is irreplaceable.

Samantha Shaffer

Marketing Assistant

Rebecca Hutchison

Executive Assistant

Rebecca was born in China and moved to the US with her family in late 2016. She’s bilingual in Mandarin and English, studied English literature in college, and has over eight years of experience managing administration and interpretation services for the biotechnology industry as well as in elderly care. She has exceptional cultural awareness and sensitivity, and enjoys assisting Dr. Ranjan. She also loves gardening, hiking, and spending time with her family and cats.

Sudha Kanodia

Administrative Assistant

Sudha received her BSC in Science while living in India before relocating to Ohio. She began working at Charak Center in 2015, and is passionate about helping people. She enjoys spending time with her family and friends. Sudha loves to cook, do yoga, go for walks, and enjoys gardening.

Deidra Gonzalez

Administrative Assistant

Deidra graduated from Health Careers High school and started working at Charak Center for the Home Care Department. She then moved into an administrative assistant role to the Director of Operations. Deidra also assists the HR department, as well as facilitates various responsibilities for all five locations.

Emmett Coleman

IT Coordinator

Emmett was born and raised in Northeast Ohio and is married to his longtime sweetheart. He served proudly in the United States Marine Corps. Emmet is an experienced server administrator, and has an extensive background in SQL, PHP, Javascript, and WSH programming languages.

Samuel Nate Snitzer

IT Coordinator

Samuel, better known by his middle name, Nate, a born and raised Clevelander, graduated Baldwin Wallace University in 2013 with a Bachelor of Arts majoring in film. After graduation, he has focused mainly in the web design and information technology fields, and is now working as the main webmaster for the Charak Center’s new website. He is skilled in graphic design and has a creative problem solving style. Nate lives in North Olmsted with his Wife and his favorite cat, Coconut.

William Green

Director of Safety & Maintenance

Paul Smith

Safety & Maintenance Officer

Paul has been with Charak Center for four years working as a Driver, a Transportation Coordinator, moving to Case Manager, Medical Records Coordinator, and now Safety and Maintenance Officer. Paul has enjoyed his various roles at Charak, and relishes opportunities to help clients to live the type of life they are envisioning, and has found a third family with his peers both at Elyria and at all of the five locations. He looks forward to being a part of your support team and witnessing your personal transformation.