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 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 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 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.

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.

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.


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.

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.

Sharon E. Williams, CNA

Ms. Williams is a Biller/Collector for the company, with over 26 years of work experience.  Prior to joining ASCOA, Ms. Williams was most recently the Billing Office Supervisor for a physician's practice and had previously worked at a multi-specialty ambulatory surgery center in Georgia for 11 years. In addition to her work in the medical field, Ms. Williams owned a very successful cleaning business for many years. Ms. Williams attended VTC: Vocational Technical Center where she graduated at the top of her class and received National Certification as a Nursing Assistant.  Her clinical training was completed at Oschner Hospital in New Orleans, LA and she also earned a Certificate of Completion in CPT/ICD-9/HCPCS coding systems from St. Francis Hospital in Columbus, GA.