Rebecca Greenleaf, a family nurse practitioner, joined the Central Maine Family Medicine Residency in Lewiston.
Greenleaf has been practicing for six years. She previously worked at Mount Sinai Medical Center in New York and the Maine Dartmouth Family Medicine Residency in Augusta.

Promerica Health announced it has named Jennifer Rancourt as vice president of communications and compliance.
Rancourt brings a background in laboratory science, health care administration and medical device sales to Promerica Health. Most recently, she served as nursing home administrator at the Brentwood Center for Health and Rehabilitation.

Sacopee Valley Health Center hired Tiffanie Weston and Colleen Shula as family nurse practitioners.
Weston graduated from the University of Southern Maine with nursing and nurse practitioner degrees. She brings a strong background in cardiology, correctional medicine, women’s health and psychiatry. She moved back to Maine after living in Savannah, Georgia.


Shula completed her master’s degree in nursing at Seattle University in 2016. Her interests include women’s health, diabetes care, pediatrics, health promotion and preventative medicine.


Arun Thukkani, M.D., joined the staff at Central Maine Heart Associates in Lewiston.
Thukkani continued his specialized training at Brigham and Women’s Hospital in Boston with fellowships in coronary interventional and structural heart disease interventional cardiology.

Dr. Sara Sheikh and Dr. Ali Shazib became the new owners of Kennebunk Center for Dentistry.
Sheikh teaches clinical dentistry at the University of New England.




Shazib is currently completing his oral medicine residency at Harvard School of Dental Medicine, Brigham and Women’s Hospital/ Dana Farber Cancer Center.


Guilherme Valverde is their in-house prosthodontist. She teaches aesthetic dentistry at Tufts University and has a Ph.D. in biomaterials.



Ascentria Care Alliance hired Patrick Williams as vice president of quality and compliance.
Most recently, Williams was the system director of Lean Transformation for Covenant Health. He will be based in the firm’s Westbrook office.


David Mejia was named director of education at Delta Ambulance.
He joined Delta in 2012 with extensive experience in emergency medical services and educating others.