Who We Are

Dawn Carter

Chief Executive Officer

Dawn brings a depth of experience, knowledge and passion for the on-site industry with  more than 20 years of experience in employer health and wellness to CareATC.

Dawn joins CareATC from Matrix Medical Network, where she served as the President of Employer Clinical Solutions business unit.  Prior to Matrix, Dawn served as the Chief Operating Officer at Concentra, responsible for growth and strategic leadership within the Onsite Business unit.   

Dawn is a strong leader with strategic vision and comes to us as a highly skilled executive with a proven track record of delivering exceptional results for both the customers and organizations. She is a seasoned leader and operator is well suited to continue to build upon CareATC’s momentum and innovation in the employer health marketplace.

Jeff Mazzoni

Chief Financial Officer

Jeff Mazzoni is the Chief Financial Officer of CareATC. He attended the University of Illinois where he graduated with a B.S. Degree in Finance. After completing General Electric’s Financial Management Program, Mazzoni joined the GE Audit Staff, and subsequently served in various CFO roles in GE’s Industrial complex across several global locations including Hong Kong, London, Paris, Helsinki, the Netherlands and Milwaukee, Wisconsin where he was the CFO for GE Healthcare Americas, an $8B sales region for the medical equipment manufacturer.

In January of 2017, Mazzoni was named the CFO for GE Grid Solutions, a $5B segment of GE Renewables. In July of 2020, his family repatriated back to the U.S. and he joined Production Resource Group (PRG), a leading supplier of rental equipment to the live entertainment industry, as the Chief Financial Officer in August of 2021.  Mazzoni was then named as the CFO for CareATC in August of 2022.

Greg Biernacki, MD, MPH

Chief Medical Officer

Dr. Greg Biernacki brings over 35 years of primary care and preventive medicine experience to his work at CareTeam Corporate Health as its Chief Medical Officer. He directs policy and evidence-based medical care practices and collaborates with the CareTeam medical providers to ensure quality patient care in all CareTeam Corporate Health facilities. He also serves as medical advisor to CareTeam Corporate Health employers.

He has served as medical director for not-for profit health entities and NASA. He brings expertise in primary care and preventive medicine including wellness, occupational health, and aerospace medicine. He is a retired Colonel and flight surgeon in the Air Force and is a veteran of the Iraqi War where he served as commander of the 447th EMEDS in Baghdad.

He completed his internship in Internal Medicine at Keesler AFB, Mississippi and his residency in Preventive Medicine at the Medical College of Virginia. He is boarded in Preventive Medicine in both General Preventive Medicine/Public Health and Aerospace Medicine. He has a Masters in Public Health from Virginia Commonwealth University.

Paul Keeling

Chief Business Dev. Officer

Paul Keeling possesses over 30 years of experience working in the insurance and healthcare industries. His previous leadership roles with AETNA and The Hartford specialized in high-risk workers’ compensation and risk management. Additionally, Paul helped launch MyStaf in Tulsa, serving as General Manager and partner before joining CareATC in 2004. He leads the company’s commitment to client retention, continual growth and scalability of existing customers, as well as marketing outreach across all divisions of CareATC.

Lisa Ness

Chief Revenue Officer

Lisa serves as the Chief Revenue Officer for CareATC and leads revenue growth and business development across the organization. Lisa brings over 30 years of experience in worksite health, occupational health, health coaching and pharmacy services. She has an extensive background in strategic revenue growth, business development, marketing strategy, and executive leadership. Previously, Ness served as the Chief Growth Officer and Director of Sales for two national worksite health companies and the Director of Employers for Pfizer Inc. Early in her career, Lisa served in clinical private practice as a Registered Dietitian and as a Certified Diabetes Educator. She holds an MBA with a focus in Organizational Development, as well as a B.S in Biology, Chemistry, and Human Nutrition.

Phil Bruns

Chief Technology Officer

Phil brings over 20 years of data management and healthcare analytics experience to his role with CareATC as Chief Technology Officer. His previous roles include Senior Vice President and General Manager-Analytics at Benefitfocus as well as Chief Technology and Operating Officer at Employers Health Network, LLC. Phil holds a B.S. in Mathematics, a M.S. in Space Science, and a MBA with a concentration in Finance.

Steve Kubiatowski

General Counsel & SVP for Compliance

As General Counsel & SVP for Compliance, Steve Kubiatowski is responsible for supervising all of CareATC’s legal and compliance matters, including contracting, litigation, and regulatory compliance. Steve is an experienced counsel and advisor in the Healthcare field with more than 25 years of expertise in complex legal, regulatory, investigative, and business strategy. Steve served as SVP at a Fortune 500 healthcare company, Partner at AmLaw 100 firm, and Assistant U.S. Attorney at the Department of Justice among other roles. 

Before joining CareATC in April 2023, Steve served as the Senior VP & Deputy General Counsel at Kindred Healthcare LLC,  a $3.4B healthcare company based in Louisville, KY. In this role, Steve supervised and advised on litigation, internal investigations, and regulatory matters for the General Counsel and C-Suite executives. 

Steve earned his Juris Doctor from Columbia University School of Law and a Bachelor of Arts from Dartmouth College. When he's not working, Steve loves to play the acoustic guitar and travel with his wife Rebecca. He has hiked Mt. Kilimanjaro and the Inca Trail at Machu Picchu. As an avid runner, he has finished more than 20 marathons.  

Karen Buttler

SVP, Enterprise Support Services

Karen brings over 25 years of multi-state, multi-site operational healthcare leadership to her role as Senior Vice President of Enterprise Support Services at CareATC. Previously, Karen served as the practice leader for one of the largest community-based health care organizations in the country, where she was responsible for identifying opportunities to innovate and scale exceptional outcomes across all pillars of performance including people operations, service delivery, clinical quality and growth.

Most recently Karen led a healthcare consulting organization focused on employee wellness, engagement and retention strategies. 

Annē Gibson

SVP, Client Success

Heather Davidson

VP, People Operations

Heather Davidson serves as the Vice President of People Operations. She has over 20 years in organizational development, 18 years in the acute-care setting of healthcare and provided organizational development consulting in a variety of industries.

Before joining CareATC, Heather was the Chief Talent Officer at OU Health overseeing a team that served 11,000 employees including more than 1,300 physicians.  She holds a Masters of Arts in Organizational Dynamics from the University of Oklahoma and a Bachelor of Arts in Education and Health Science. 

Susan Farr

VP, Operations

Susan Farr, CareATC’s VP of Operations, brings over 26 years of healthcare experience. She began her career as a clinical nurse in 1997 then transitioned into clinical and operational leadership. Her background spans fee-for-service and concierge primary care, urgent care, specialty care, advanced imaging, and occupational medicine. Working with two major east coast health systems, Susan oversaw diverse operations encompassing these areas.

 In 2021, Susan joined CareATC where she mentors and develops the next generation of healthcare professionals. Known for her creativity in optimizing operations and financial performance, Susan focuses on adding value at the point of healthcare delivery. Outside work, she enjoys the beach, traveling, and spending time with her family and grandchildren.

Mike Worley

Director of Purchasing & Facilities

Mike Worley brings over 2 decades of construction, healthcare operations and implementations experience to CareATC. Mike most recently served as VP of Operations for a multi-site healthcare company, with a focus on space design, implementation, purchasing and client onboarding. Mike had a decade stretch with Bon Secours Health System in Greenville, SC – serving as Operations & Program Manager for WorkWell, a department dedicated to business health solutions in occupational health, onsite primary care and employee health promotion. He carries his Commercial Construction license in two states, owning a successful business for 14 years until his full-time transition into healthcare. Mike enjoys time with his wife and their 5 children, college football and Dad Jokes.

Wendy White

Director of Talent Acquisition

Wendy White has worked with CareATC since 2004 in various leadership roles. With an extensive background in the public and private sector of healthcare management, Wendy leans on her years of experience in workers’ compensation, health insurance administration, and human resources to lead a strong team of client managers.

Kim Feldman

Director, Project Management Office

Austin Zellner

VP, Business Development

Mara Sikorski

VP, Business Development

Mara Sikorski is CareATC’s Vice President of Business Development, bringing over six years of experience in population health. She has prior experience as a Population Health Management Consultant at USI Insurance Services and has worked in employer health consulting across various non-profits, universities, healthcare systems, and private institutions.

Mara holds a Bachelor of Science in Public Health and a Master of Public Health in Health Education from the University of South Florida. She also has a Certification in Public Health through the board of National Public Health Examiners. Her consultative approach is key to supporting employers in reaching their population health needs and organizational goals. In her spare time, Mara enjoys working out, hiking, traveling, and spending time with family and friends.

Camille DeLise

VP, Business Development

Camille DeLise is CareATC’s Vice President of Business Development based in Atlanta, Georgia. Camille brings over 10 years of experience in population health, with a strong track record of driving business growth and generating positive clinical outcomes.

With a lifelong passion for fitness and wellness, Camille began her career in population health as an onsite health coach, where she saw firsthand how employers struggled to control healthcare costs with an increasingly unhealthy workforce. From this experience, she became determined to sell clients on the importance of population health solutions focused on prevention to control healthcare costs. Most recently, Camille led operations and sales for Corporate Health Partners, a company that provides onsite health coaching and wellness services, developing strong relationships with clients and consultants.

As former Gymnastics Director for the City of Roswell, Georgia, Camille has a unique perspective on developing relationships and providing services for municipalities. She is eager to utilize her expertise in wellness as she presents CareATC’s comprehensive solution shifting focus from intervention to prevention resulting in proven ROI.

Camille holds a Bachelor of Science degree in Health Education from Auburn University, attending on a full gymnastics scholarship. As a collegiate athlete, she developed a strong work ethic, competitive drive, and a determination to be successful. Camille enjoys running, yoga, kayaking, hiking, and spending time with family and friends.

Camille is excited to share CareATC’s collaborative care solution with clients and brokers. With CareATC, she has found an organization that has a mission that aligns with her own, helping employers control healthcare costs by providing exceptional care while improving the health and well-being of their employees.

Jack Slye

Jack Slye is a Partner at LLR Partners where he leads the firm’s investments in healthcare and education. Prior to joining LLR, Jack was a Principal at Sterling Partners as well as COO and Vice President of Corporate Development at Sylvan Learning. Jack earned an M.B.A. from the Wharton School of Business and a B.S. from the University of Maryland.

Sasank Aleti

Sasank Aleti is a Principal at LLR Partners. Sasank initially joined LLR in 2003 and returned to the firm in 2011 after completing his M.B.A. and founding Cadence Capital Partners, a lower-middle market investment firm. At LLR, Sasank leads the firm’s investments in healthcare and HR technology. Prior to joining LLR, Sasank worked in investment banking at UBS. Sasank earned an M.B.A. from Harvard Business School and a B.S. from New York University.

Colin Drozdowski

Colin Drozdowski serves as Senior Vice President, Sentara Health Plans. He joined Sentara/Optima Health in December of 2019. Colin oversees all network management functions; providing executive leadership in network strategy, provider operations, reimbursement, market expansion/development, including traditional contracting, value-based contracting, and provider risk models. In addition to his network responsibilities, Colin also oversees Sentara Health Plan’s analytics functions, total cost of care management, business transformation, the Project Management Office (PMO), and consumer/provider experiences.

Prior to joining Sentara/Optima, Colin had approximately 28 years of experience with the Blue Cross and Blue Shield system, most recently serving as Senior Vice President of Provider Solutions for Anthem, Inc. In that role, he oversaw roughly 2,500 associates nationwide and an administrative budget of over $300 million. His team supported all Anthem lines of business including Medicare, Medicaid, and Commercial, and all markets, covering 40+ million members and over $150 billion a year in annual spend. During his tenure with the Blue Cross and Blue Shield system, he served in a variety of leadership positions spanning the following functional areas: provider contracting, provider relations, network management and development, oversight of innovative provider/payer reimbursement approaches, joint ventures, value-based payments, and product partnerships.

Colin and his family live in the Richmond Virginia area. He and his wife have three children. In his free-time, Colin enjoys being outdoors, traveling and supporting various community and faith based organizations.

Colin has his Masters of Economics degree, from Cleveland State University.

Mike Swinford

Mike Swinford has been Chief Executive Officer at Numotion since July, 2014. Numotion is the leading provider of mobility solutions in the Complex Rehabilitative Technology (CRT) industry. Numotion has led the way in transforming the CRT industry through innovative customer solutions and advocacy at the State and Federal levels. Mike is also a Trustee with the Committee for Economic Development, a nonprofit, nonpartisan, business-led public policy organization that delivers well-researched analysis and reasoned solutions to our nation’s most critical issues.

Prior to Numotion, Mike served as the President and CEO of GE Healthcare Services, a $5B business unit of GE Healthcare. He joined Numotion after a highly successful 22-year career at GE Healthcare. He led the development of new growth platforms for the $5B global services enterprise that expanded service reach and capabilities. Mike was named an officer of the General Electric company in 2011. He held various operational and commercial roles throughout his career leading through various business cycles from start-ups to turnarounds.

Mike served as a founding member of the Executive Board with the Technology Services Industry Association as well as a board director for the Vince Lombardi Cancer Foundation from 2006-2013. He is passionate about improving healthcare access and inclusion for people with disabilities and is very active with several advocacy initiatives and associations including ALSA and the MDA. Mike also created the Numotion Foundation dedicated to funding other 501(c)3 organizations that serve the disabled communities across the United States.

Mike has a Bachelor's Degree in Electrical Engineering from the Missouri University of Science & Technology. Mike and his wife, Kelly reside in Brentwood TN and their two sons are college students studying Engineering.