Joint Ventures


Founders/Executive Management

Founders/Executive Management:

Thomas J. Bombardier, MD, FACS

Dr. Bombardier is an ophthalmologist, and one of the three founding principals of the company. Prior to founding ASCOA, he established the largest ophthalmic practice in Western Massachusetts, two ambulatory surgical centers, and a regional referral center. Over the past seventeen years, he has been a real estate developer on Cape Cod, MA. Dr. Bombardier is a graduate of Amherst College, Albany Medical College, and Louisiana State University residency program.

Brent W. Lambert, MD, FACS
Brent Lambert

Dr. Lambert is a board-certified ophthalmologist, an honors graduate of Harvard College; graduating AOA from Columbia University College of Physicians and Surgeons; and completing his residency at Harvard Medical School and Massachusetts Eye & Ear Infirmary. He was a member of the Harvard Medical School faculty for many years. While a resident he founded XONIX an international medical instrument company and published numerous articles in scientific journals on cellular membrane physiology. Prior to the founding of Ambulatory Surgical Centers of America, Dr. Lambert was the developer and owner of three ambulatory surgical centers, including one of the first ASCs in New England. Currently Dr. Lambert is responsible for business development at ASCOA.

George A. Violin, MD, FACS

Dr. Violin is a board-certified ophthalmologist, and one of the three founding principals of the company. He has owned and developed two ambulatory surgical centers and a large multiple office ophthalmic practice in eastern Massachusetts. He is a graduate of Columbia College, Columbia University College of Physicians and Surgeons, and Harvard Medical School & Massachusetts Eye and Ear Infirmary residency program.

Luke M. Lambert, MBA, CFA, CASC

Mr. Lambert came to ASCOA, first as its CFO in 1997 and then becoming its CEO in 2002, with a broad background in finance, strategy, and operations. Mr. Lambert worked for Smith Barney in international sell side equity research. At Booz, Allen & Hamilton and Ernst & Young, Mr. Lambert consulted with entities starting new ventures, entering new markets and reengineering business processes. Mr. Lambert is a graduate of Harvard College, where he studied economics, and obtained his MBA from the Columbia Graduate School of Business. Mr. Lambert was among the first to earn the CASC designation in 2002.

Robert Westergard, CPA

Mr. Westergard is the Chief Financial Officer of the company. Prior to joining ASCOA, Mr. Westergard worked as the Controller for Truman Capital Advisors. Mr. Westergard has an additional eight years of finance and accounting experience in the software, chemical and healthcare industries. He received a BS in Accounting from Brigham Young University.

Jeffrey E. Péo

Mr. Péo is the Chief Development Officer for ASCOA.  He joined the company in 2005 as a Financial Analyst and most recently worked as a Vice President of Acquisitions & Development. During his tenure,  Mr. Péo has been responsible for the development of highly profitable ASCs that have generated over a quarter billion dollars in revenue.  He is a regular contributor to industry publications and speaker at industry conferences.  Prior to joining ASCOA, Mr. Péo ran a Knowledge Management and Information Technology consulting division for a Fortune 100 company.  Mr. Péo graduated from Brigham Young University with a degree in Manufacturing Engineering.   He lives in Salt Lake City, Utah with his wife Delise and their three children.

Susan Kizirian, RN, MBA

Ms. Kizirian is the Chief Operating Officer of ASCOA. Ms. Kizirian has over 28 years experience in all aspects of ASC operations serving as Executive Director and as a consultant for ASC management and development. Additionally, she has 17 years of practice management experience and 8 years of expertise with clinical site research. Ms. Kizirian currently serves as Life-Time Past President Emeritus on the Board of Directors of the Florida Society of Ambulatory Surgery Centers, is past Treasurer of the American Association of Ambulatory Surgery Centers (AAASC), and past President of the Ambulatory Surgery Management Society of the Medical Group Management Association. She received her RN from Florida State University and her MBA from Nova University.


Greg Burningham

Mr. Burningham is Senior Vice President of Marketing & Development.  He is a turnaround specialist with 20 years of CEO experience leading companies in the medical and high tech industries. Mr. Burningham graduated with a Master’s Degree in Business Administration from the Marriott School of Management – Brigham Young University. He lives in St. Augustine, Florida with his wife. He has four daughters and 10 grandchildren.

Clint Kauihou Harris

Mr. Harris is a Vice President of Acquisitions & Development and brings to his position 24 years experience in the medical sales industry.  Most recently Mr. Harris worked for Zimmer Orthopedics where he served in a sales directorship role in a $100 million distributorship and was responsible for building and directing a team of sales/case coverage professionals as well as negotiating with hospital C suite and supply chain management regarding coordinated operational and contractual issues.  Mr. Harris was a four-time President’s Club winner with Zimmer and also achieved President’s Club status early in his career with Forest Pharmaceuticals.  Mr. Harris lives in Utah; he and his wife have four children and one grandchild.


Linda K. Rahm, OTR

Ms. Rahm is an Executive Vice President of Business Development with over 20 years experience in healthcare administration including 11 years as Administrator of a large multi-specialty ASC. She has experience in initial development, start-up, and operations in numerous healthcare markets including rehabilitation, pain and rheumatoid clinics and specialty hospitals. During her tenure as President of the Massachusetts ASC Association she led the effort to legislate State Licensure and gained extensive knowledge of the national ASC industry. In addition to healthcare, Ms. Rahm has been successful in small business development, management, and consulting.  She holds a BS in Occupational Therapy from University Wisconsin-Madison.

Lee Rocque, RN, CASC

Ms. Rocque is a Senior Vice President of Operations with over 30 years of management experience in the healthcare field. Prior to joining ASCOA, Ms. Rocque worked as an administrator for Surgical Care Affiliates, formerly HealthSouth, and lead in the development of a patient educational brochure, Understanding Your Pain, which was featured for publication by both JACHO Perspectives and OR Manager. In addition, Ms. Rocque has extensive experience in initial development and start-up operations in various healthcare markets including senior living facilities, managed healthcare, and group practice management. She received her nursing degree from Brevard Community College and is an active member in various healthcare and professional organizations.

Stacey K. Taylor, RN, BSN, CASC

Ms. Taylor is a Senior Vice President of Operations with over 15 years of experience in all aspects of the healthcare field. Prior to joining the company, Ms. Taylor was the Regional Administrator of four multi-specialty surgery centers and was recognized for resourceful management skills and the exceptional ability to lead projects. She earned her BSN in 1996 from Shepherd College in West Virginia and received her CASC in May, 2006.

Margaret Chappell, RN, MS, CASC

Ms. Chappell is a Senior Vice President of Operations with more than 25 years of experience in all aspects of ambulatory surgery center administration, including risk management, chief operating officer and administrator of two multi-specialty surgery centers. She has also consulted in the development, remodel and expansion of three surgery centers.

Jason Beam, RN, BSN, CASC

Mr. Beam is a Senior Vice President of Operations with over 16 years of experience in the ASC setting, including OR Nurse, Clinical Director, Certified First assistant, OR manager and Administrator. Most recently, he was Regional Vice President of Operations of multiple facilities for USPI. From 2008 to 2012 Mr. Beam was co-founder and President of Implant Solutions, LLC, providing ASCs with focused management on Orthopaedic and Spine surgical implant purchasing, inventory and billing services. Mr. Beam has a BSN from the University of Tennessee at Martin and received his CASC in 2003.

Deborah Comerford, RN, BSN, CNOR, CASC, LHRM

Ms. Comerford is a Senior Vice President of Operations with over 30 years of experience in perioperative nursing and management, including 12 years in the ASC setting. Prior to joining the company, Ms. Comerford was the Vice President of Clinical Operations for 13 multi-specialty surgery centers. She has extensive experience in the design, construction, and daily operation of surgery centers. She earned her BSN from Rutgers University, obtained her CNOR in 2000 and CASC credential in 2007.

Sharon Johnson, BSN, RN, CASC

Ms. Johnson is a Senior Vice President of Operations with over 30 years experience in all aspects of the healthcare setting. Prior to joining ASCOA, her experience includes O.R. Nurse, Risk Manager, Chief Operating Officer for a large surgical practice and most recently, seven years as Administrator of a multi-specialty surgery center in Georgia.  Ms. Johnson earned a BSN from Columbus State University and received her CASC in 2010.

Ellen Wziontka
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Ms. Wziontka is the Corporate Materials Manager for ASCOA.  Prior to joining ASCOA Ms. Wziontka worked in the ASC environment for 12 years.  During that time she assisted with the start-up of an ASC and managed in the capacity of Materials Manager for 8 of those years, utilizing her extensive knowledge in contracts, compliance and negotiations.  Ms. Wziontka studied at the University of Massachusetts, Amherst and has a degree in Microbiology. She resides in Western Massachusetts with her family.


Sue McAllaster

Ms. McAllaster serves as a Director of Revenue Cycle Management for the company. She has worked for over 20 years in physician healthcare management, with experience in practice administration, medical billing management, and hospital consulting for physician practices. Ms. McAllaster received an MBA from the University of Maine at Orono.

Pamela B. Smalley

Ms. Smalley serves as a Director of Revenue Cycle Management for the company. She has over 20 years of experience in the healthcare field. Her experience is in management and medical billing in the ambulatory surgery setting as well as physician offices. Ms. Smalley received her degree in Business Management and Accounting from Cape Fear Community College in Wilmington, NC.

Krista K. Anderson, CPC-H

Ms. Anderson is a Director of Revenue Cycle Management with over 22 years experience in the healthcare industry. Prior to joining the ASCOA team, Ms. Anderson worked for 12 years as a business office manager for a Meridian Surgical Partners facility. Ms. Anderson is also a Certified Procedural Coder-Hospital.

Reid Van Gorder, CFA
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Mr. Van Gorder is a Vice President of Finance for the company. He graduated from Tufts University with a BA in Quantitative Economics. Prior to joining ASCOA, Mr. Van Gorder served as the Investment Operations Associate for Mintz Levin Financial Advisors and worked briefly as a Merchant Mariner on Boston Harbor. Mr. Van Gorder remains an avid sailor.

Cody Harward

Mr. Harward serves as a Senior Financial Analyst for the company. He graduated summa cum laude from Eastern Nazarene College with a BS in Business Administration. Prior to joining ASCOA, Mr. Harward worked in the healthcare industry at Harvard Pilgrim Health Care and also has a background in sales.

Michael Chwalek, Jr.
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Mr. Chwalek serves as a Senior Financial Analyst for the company. Prior to joining ASCOA in 2007, Mr. Chwalek’s work experience included positions in the financial services, software development and construction industries. He graduated magna cum laude from the University of Massachusetts with a Bachelor of Science in Business Administration, with a concentration in Finance and a Minor in Economics.

Naomi D. Fisher, MBA
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Ms. Fisher serves as a Financial Analyst for the company. Prior to joining ASCOA, she worked for six years as a business analyst in the tradeshow industry, with a focus on financial analysis, budgeting, and labor management. Ms. Fisher graduated from Boston College with a BS in Biology, and earned her MBA with honors from Boston University's Questrom School of Business, concentrating in Health Sector Management. She competes in regional triathlons and is an avid tennis player.