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Management Bios

Management Bios

Henry Schein Medical Systems, Inc.

Kristen Heffernan-MicroMD

Kristen Heffernan – General Manager

As the Henry Schein MicroMD general manager, Kristen Heffernan is responsible for leading the operational teams that conceive, develop, launch, sell, implement, train and support the simple yet powerful MicroMD solutions. With a focus on helping physician practices get back to the business of healing through their engagement with innovative patient, payment, clinical automation and regulatory compliance solutions and services, her goal is to help practices navigate the ever-changing healthcare landscape.

Shawn Kelley-MicroMD

Shawn Kelley – Manager of Technical Services

Shawn Kelley joined the Henry Schein MicroMD team in 1999 immediately following his graduation from Youngstown State University where he received his bachelors of science degree in applied science, majoring in computer information systems.

Tina Prestas-MicroMD

Tina Prestas – Manager of Software Development and Quality

Tina Prestas joined the Henry Schein MicroMD team in 1997 starting as a Programmer/Analyst. She graduated from Youngstown State University where she received her Bachelors of Science degree in applied science, majoring in Computer Science with a minor in mathematics.

Heather Kelty-MicroMD

Heather Kelty – Manager of Product Management

Heather Kelty joined the Henry Schein MicroMD team in 2005. She graduated from Youngstown State University where she received her Bachelors of Science degree in Applied Science, majoring in Information Technology.

Carrie Ambrose-MicroMD

Carrie Ambrose – Manager of Client Services

Carrie Ambrose joined the Henry Schein MicroMD team in 2002. Prior to her joining the company, she graduated from Youngstown State University with an Associate’s degree in Medical Assisting and a Bachelor of Science degree in Allied Health Professions. She has over 10 years’ experience in the physician office setting, in which she performed both clinical and administrative/billing duties.

Lori Ryan – National Sales Manager

Since joining MicroMD in September of 2010, Lori held the position of Southeast Area Sales Manager until taking over the National Sales Leadership role in April of 2018, overseeing the MicroMD sales team as well as MicroMD’s Value Added Reseller Channel. Prior to joining MicroMD, Lori worked with a MicroMD Reseller handling sales and training for MicroMD customers.