Chris Core

Senior Vice President,
Outpatient Marketing

Chris joins US Radiology Specialists with 20 years of experience in healthcare sales and marketing. After earning a bachelor's degree in pharmacology and toxicology from the University of Wisconsin's School of Pharmacy, Chris held various sales and marketing roles with Eli Lilly and GlaxoSmithKline. He went on to earn his MBA from the Kellogg School of Management at Northwestern University and transitioned into a marketing role with GSK. Over the past 10 years, Chris has served in marketing and brand management roles at Talecris Biotherapeutics and Grifols, and was most recently vice president of marketing for Bio Products Laboratory.

John Devlin

CFO, Physician Practice Management
Vice President, Finance

John has over 20 years of leadership experience in healthcare finance, business strategy and value management. Before joining USRS in 2018, he served as vice president of finance for ViiV Healthcare, a $4B specialty healthcare company focused solely on the global HIV epidemic. Previous to that, John held progressive leadership positions and served as vice president for finance and global controller of the manufacturing/distribution division at GlaxoSmithKline/GSK. He has also held numerous roles in both operations and business management with successive leadership positions. John earned an MBA from Rutgers University focused on finance and technology, and a bachelor’s degree in engineering from Drexel University where he focused on materials science and engineering.

John Guess

Chief Accounting Officer

Prior to joining US Radiology, John was a consultant working with senior management of private equity portfolio companies to develop accounting and finance infrastructure such as design and implementation of reporting models, integration of acquisitions, redesign of revenue recognition processes, creation of governance policies and processes, and improvement of internal controls.

John was a Partner at Ernst & Young for over a decade focused on clients in the healthcare, technology and life sciences industries. As a key advisor to CFOs, he gained extensive experience in the development of accounting and finance functions by leading clients through changes brought on by acquisitions, carve-outs, IPOs and other transformative events. While at EY, John led and coordinated numerous public and private company audits. He also directed projects designed to improve the effectiveness and efficiency of business processes and internal controls. John also served international assignments in the UK and Australia supporting the firm’s audit and financial reporting advisory practices for US-based clients operating in those regions.

Prior to working at EY, John served as a healthcare consultant assisting physician-hospital partnerships create and operate health insurance plans. John also has previous experience as a Controller of a property and casualty insurance company. He is a CPA and earned his undergraduate degree from Georgia Tech.

Mark Jensen

Chief Development Officer

With over 30 years of experience in radiology and healthcare, Mark is an industry expert in strategic planning, finance, organizational development and physician practice management. As chief development officer, he's bringing together industry standouts to create the next generation of private radiology practice. Prior to his current role, Mark served as CEO for Charlotte Radiology, transforming the small-market physician group to a nationally renowned, 100-physician, multi-state practice—the founding practice of US Radiology Specialists. Mark also served on the board and shaped the vision for Strategic Radiology, a national consortium of 24 clinically advanced radiology groups serving more than 250 hospitals, 625 imaging centers and 40 states. Capitalizing on industry trends, he spun off an innovative medical billing firm called Medical Billing Experts, where he served as chairman of the board of directors, as well as interim president. Mark earned an accounting degree at the University of Alabama and an MBA from Miami University.

Barry Jenkins

CFO, Outpatient Imaging Services

Barry is a senior financial executive with over 25 years of financial leadership experience. He came to US Radiology through outpatient imaging partner American Health Imaging (AHI), which he joined in 2015 and served as chief financial officer. Before AHI, Barry held chief financial officer roles at SANUWAVE Health, a global medical company; Automatic Data Processing (ADP) business services division, and Snowden Pencer, a surgical instrumentation company. He also served as vice president of finance for business services provider AHL Services. He has more than a decade of experience in public accounting with PwC. Barry earned his bachelor’s degree in accounting from Virginia Tech. He is a Certified Public Accountant.

Diane Kazmierski

Executive Vice President,
Managed Care

With 30 years of healthcare experience, Diane brings expertise in managed care contracting, contract compliance, and decision support for hospitals, ancillary services, home health services and physician practices. She enjoyed a 23-year tenure with BayCare Health System, serving most recently as vice president of managed care before joining us at US Radiology Specialists. Diane has also served as president of the Florida Hospital Association of Managed Care Professionals. She's a 2012 graduate of the American Hospital Association Health Care System Transformation and a 2013 faculty member. She earned her degree from Walsh College of Accountancy and Business Administration.

David Kleinman

Chief Information Officer

David joins US Radiology with over 22 years of experience in healthcare technology, including 15 years in radiology. Before joining US Radiology, David was the CIO of American Medical Response & VP of IT of Envision\ EmCare Radiology, where he was a pivotal transformation leader in several strategic and transactional initiatives including the divestiture of AMR from Envision Healthcare. Prior to that, David worked for Fujifilm Medical Systems, where he was instrumental in building their Synapse Cloud and International Engineering divisions. David holds a Masters of Science Business Administration degree from Colorado State University.

Ronni Kleypas

Chief Integration Officer

Ronni joins US Radiology as chief integration officer with over 20 years of experience in project and change management across multiple industries. Before joining US Radiology, Ronni was VP, Strategic Initiatives & Communications for United Surgical Partners International (USPI). She also served as a member of the executive leadership team and led the integration of USPI and Tenet Healthcare. Ronni is a Prosci-certified change management professional. She earned her bachelor’s degree from Texas A&M University.

Wood Lovell

Chief Administrative Officer

Wood brings extensive experience in human resources, legal and marketing. After graduating from law school, Wood completed a two-year federal judicial clerkship and joined Troutman Sanders, a full-service international law firm with over 650 attorneys. He joined McKesson as chief employment counsel in 2007. In 2011, he stepped out of his legal role for a unique opportunity to build two enterprise-wide HR organizations as part of a McKesson HR transformation. For three years Wood led the design, implementation and ultimately the operations of those organizations before he was given a six-month international assignment centering on the acquisition of a $30 billion German company. Wood's next role was as HR leader for a McKesson technology business unit. He later assumed leadership of the business unit's marketing team as well. Wood earned a bachelor's degree from Duke University and his J.D. from the University of Georgia School of Law.

Clete Madden

President, Touchstone Medical Imaging

Clete serves as the President of Touchstone Medical Imaging, part of US Radiology Specialists. Prior to joining Touchstone, he was the Chief Development Officer for Radiologix, Inc., a leading national provider of imaging services now operating as RadNet, Inc. Clete has over 25 years of healthcare leadership experience. He started his career at one of the Big Four accounting and consulting firms providing services to national health care clients before rising to Partner and National Healthcare Industry Director overseeing 150 healthcare partners.

Clete is a current board member and past chair of the Association for Quality Imaging, a national industry group that advocates for and supports the outpatient imaging industry. He is also a trustee and treasurer for MediSend International College of Biomedical Engineering Technology, a nonprofit organization that provides biomedical degree programs primarily to US veterans and students from developing countries.

Clete holds a bachelor’s degree in accounting with high honors from the University of Texas at Austin. He is a member emeritus of the University of Texas Accounting Advisory Board.

Lynn McGivern

Chief Compliance Officer

Lynn brings 20 years of healthcare, legal and compliance leadership to US Radiology. She applies her legal knowledge and expertise to establish compliance programs and provide executive insight into high-level regulatory and strategic business decisions. Lynn joined the company in 2019 having served as chief compliance officer at ATI Physical Therapy. She also held senior legal leadership positions at AXA Assistance USA, serving as corporate counsel and chief compliance officer. She was also corporate counsel for American Imaging Management.

Lynn earned her J.D. from Washburn University School of Law with honors, and a master’s in health law with honors from Loyola University Chicago School of Law. She studied physical therapy at Rockhurst College, where she earned her bachelor’s degree.

Ken McNish

President, Physician Practice Management
& Chief Strategy Officer

Ken is a top performing business leader with 30 years’ experience in healthcare services. He joined US Radiology Specialists in 2018 as President of Physician Practices and Chief Strategy Officer. Previously Ken was President for the US Business and Global Commercial Development at Bio Products Laboratory (BPL), a global plasma protein therapeutics company. There he led the strategic vision and built a world-class leadership team that increased sales 1,400%, transforming a declining, unprofitable organization into a high growth business. Before BPL, Ken was Vice President and General Manager at Grifols (formerly Talecris), where he grew revenue over five years and built a high-performing specialty commercial organization. He also held progressive product management leadership positions over 10 years at GlaxoSmithKline (GSK). He began his career with the Wilkerson Group as a healthcare consultant.

Ken earned an MBA from the Fuqua School of Business at Duke University. He holds a Ph.D. in Psychology with a focus on Neuroscience from Yale University. He also earned a bachelor’s degree from Yale.

John Perkins

Chief Executive Officer

John has over 24 years of operating experience and a focus on growing and scaling high-quality healthcare companies. In 2018, he joined US Radiology Specialists as its Chief Executive Officer (CEO), and a member of the board of directors. Previously, John was CEO and board member for Bio Products Laboratory (BPL), a global plasma protein therapeutics company with over 3,000 employees across 45 countries. John led the team that transformed BPL resulting in a 400% increase in value. Prior to becoming CEO of BPL, John was an operating partner for Bain Capital, the financial sponsor that backed BPL. Previously, John was the Executive Vice President of Global Commercial Operations for Talecris Biotherapeutics where he led the team that increased sales from $800 million to $1.6 billion. John also played a significant role in Talecris' Initial Public Offering (IPO), and was instrumental in increasing Talecris' value 40 times to $4 billion.

John started his career at General Electric, where he held a variety of operating and M&A roles. He is a graduate of GE's Management Development Program. John received his BA from DePauw University and earned his MBA from Northwestern's Kellogg School of Business.

Ryan Popp

Vice President,
Business Development

As vice president of business development, Ryan is responsible for building relationships with potential partners and M&A execution. After earning his bachelor's degree in computer science and mathematics from Vanderbilt University, Ryan spent 6 years consulting in the US and Argentina. He went on to earn his MBA from the Darden Graduate School of Business at the University of Virginia, where he was awarded the Faculty Award for Academic Excellence. Prior to joining US Radiology, Ryan served as vice president of investment banking at BlackArch Partners and director of strategy, corporate development, and investor relations at EnPro Industries.

Chris Robertson

Senior Vice President,
Revenue Cycle Management

As senior vice president of revenue cycle management, Chris is responsible for leading and cultivating RCM services for our national radiology platform. With 20 years of experience in RCM operations, technologies, business intelligence tools and physician relationships, Chris comes to US Radiology Specialists from Change Healthcare (formerly McKesson Technology Solutions), where he served as senior vice president and general manager of physician RCM services. There, he provided leadership and expertise for operations, client services and sales. Chris is a graduate of the University of Missouri - Columbia, where he earned a bachelor's degree in biology and a master's in health administration.

Julie Szeker

General Counsel

Julie has more than 15 years of healthcare legal experience, both in-house and in law firm settings. She joined Charlotte Radiology as chief administrative officer and general counsel in 2013 and transitioned to general counsel for US Radiology in 2018. In addition to advising the board and senior leadership as general counsel, she has provided executive leadership over human resources, compliance, quality and risk, leading key restructurings that have positioned the organization for growth. Previously, Julie served as associate general counsel for Carolinas HealthCare System (now Atrium Health) and practiced in the Private Equity/M&A Group at Kennedy Covington (now K&L Gates). She earned a J.D. from the University of Michigan and was a Morehead-Cain scholar at the University of North Carolina at Chapel Hill, where she studied political science and economics.

David Wagnon

Chief Financial Officer

Before joining US Radiology Specialists, David had a long tenure with McKesson, holding various finance management positions. He joined McKesson in 2007 as finance director for US Pharmaceutical. In 2010, he was promoted to the role of senior finance director and finance lead for US Pharma's south region, based in Tampa, FL. He went on to serve as chief financial officer, first for McKesson Pharmacy Systems and Automation in Pittsburgh, PA, then for McKesson Specialty Health in The Woodlands, TX. Prior to his time with McKesson, David worked as a Big 4 consultant and as finance manager in the cable and consumer electronics industry. He earned his undergraduate degree from Southern Methodist University and his MBA from Washington University.