Senior Management Team
Natalie Lender, MD
Partner and Chief Medical Officer
Natalie L. Lender, MD is a psycho-pharmacologist and Certified in the practice of Psychiatry through the American Board of Psychiatry and Neurology. Dr. Natalie Lender received her medical degree from the Moscow State Medical University (Moscow, Russia). She later graduated from the psychiatric residency-training program at TUFTS University (Boston, MA) in 1998.
Dr. Lender worked as attending psychiatrist at Bournewood Hospital located in Metro Boston, where she practiced general psychiatry and specialized in drug and alcohol addiction treatment.
Dr. Natalie Lender formed Square Medical Group in 2008 and has since developed the practice into a valuable resource for the Greater Boston community. Dr. Lender’s experience includes co-occurring substance use and mental disorders. Dr. Lender also has 20 years of experience in person-centered treatment and program development. She is certified to provide Transcranial Magnetic Stimulation (TMS).
Dr. Lender designs and implements patient care strategy for patients at Square Medical Group. She is most passionate about developing the next phase in integrative care for dual-diagnosis and substance abuse patients.
Partner and Chief Executive Officer
Jeff Gershman is the Chief Executive Officer for Square Medical Group and has held this position since 2011. Jeff graduated from New York University’s Stern School of Business with a bachelor’s degree in Finance and Accounting. After working in Investment Banking and Healthcare Startups Jeff joined Square Medical Group to help the founder, Dr. Natalie Lender, build her vision for a community focused mental health/substance abuse agency.
Jeff Gershman serves on the board of M.A.S.H (Massachusetts Alliance for Sober Housing).
Vice President of Quality and Compliance
Elaine Stark, Vice President of Quality and Compliance, joined Square Medical Group in 2014. Elaine has worked for government, and both profit and non-profit organizations, in clinical and administrative positions. Prior to coming to Square, Elaine was the Executive Director at Boston Institute for Psychotherapy (BIP), for ten years and served as Chief Administrative Officer for New England Psychiatric Consultants, P.C. (NEPC) for 12 years. She brings significant expertise and experience in contract procurement and administration, program development, Federal and state regulations, as well as healthcare accreditation requirements. Elaine earned a BA from Assumption College with a double major in Psychology and Social Rehabilitation and a Master of Liberal Arts degree from Harvard University with a concentration in Psychology.
Bio coming soon
Daniel Iannitelli, Director of TMS (Transcranial Magnetic Stimulation), joined Square Medical Group in 2020. Daniel earned a BA in Psychology at Bridgewater State University and continued his education with a MA in Industrial and Organizational Psychology at Southern New Hampshire University. While working in an inpatient psychiatric care setting, Daniel discovered his passion for helping others. As Director of TMS, Daniel continues this passion by focusing on growing SMG’s TMS division and improving the accessibility of this innovative treatment for all who need it.
Jennifer King Alfieri
Bio coming soon
David Selden, LICSW
David R. Selden, LICSW has over 40 years’ experience in the field of behavioral health. In addition to his work as a clinician, he has served as supervisor, executive level manager and consultant to local and national programs providing mental health, substance use and co-occurring disorder treatment services to teens and adults. In addition to his responsibilities at Square Medical Group, he also maintains a private clinical and consulting practice in Salem, Massachusetts and is adjunct faculty at Salem State University in the departments of Social Work and Counseling Psychology.
Dawn P. Drummey, MSW
Program Director, River House
Dawn Drummey is a groundbreaking professional in the field of mental health and substance use disorders. Her primary goal is to pioneer the many facets that are ongoing in the industry. She is a self-motivated and results oriented professional with more than 20 years’ experience in various fields of business development and executive leadership. She has proficiency in industries that include but not limited to healthcare governance, and organization and management guidance.
Prior to working in her current career, Dawn had experience working in Public Relations for the Philadelphia 76ers, Marketing for Temple Athletics, Fundraising and Development for local non-profits to include the Battleship New Jersey. She lived in North Carolina for a few years while her husband was stationed at Ft. Bragg and during that time, she worked with a local hospital to build and operate a successful Wound Care Center where she was awarded several honors for her work. She is gifted and committed to providing exceptional service and improving outcomes for organizations and the population it serves.
In her downtime, Dawn enjoys a variety of hobbies that include hiking with her husband and two dogs, reading, advocacy for mental health awareness, mentoring, listening to music, and learning through courses like this Women’s Leadership Development Certificate with Villanova. What attracted Dawn to WLDC is embedded in the idea of advancing professional skills while empowering other women to be active in social change, magnify skills to advance in our industry of choice, and to recognize the impact of gender identity as it impacts leadership across many industries. She is looking forward to learning from others in the program while sharing herself and her skills with others.
Joelle Flynn, LMHC
Clinical Director, River House
Bio coming soon