Dan Balentine

Division President

With two decades of dedicated leadership supporting the operations and sales teams, Dan currently serves as the Group President of the Eastern Division outpatient imaging facilities. where they drive strategic initiatives and operational excellence across the organization. He has spent most of his career in the Radiology space, quickly rising through the ranks due to his innovative approach and commitment to operational improvement, demonstrating an exceptional ability to streamline processes, enhance efficiency, and lead transformative projects.

Dan holds a Bachelor’s degree from Ohio University and Masters in Business Administration from The University of North Texas. Dan has spent his career focused on driving quality patient experiences and leveraging technology and process improvement to drive employee engagement.

Jennifer Bibles

Division President

Jennifer has worked in outpatient radiology for 23 years starting her career in Sales with HealthSouth, devoting the last 20 years to operations and strategic planning in outpatient radiology. Prior to joining US Radiology, Jennifer helped build Touchstone Imaging’s footprint and supported the joint venture partnership with Baylor Scott & White Health. In her current role as USRS Group President, Jennifer oversees operations in Texas, Oklahoma, and Colorado; is responsible for executing the strategic plan, growing service line offerings and serves as key stakeholder of the Joint Venture partnerships in each market. Jennifer resides in Fairview, Texas with her husband Charles and daughters Brynn and Emersyn.

Rick Grodin

Division President

Rick Grodin brings over 25 years of progressive healthcare management experience to US Radiology. He has a strong track record leading high-performing, cross-functional teams with a keen focus on the balance between strategic planning and execution.

Most recently, Rick served as Group President for South Jersey Radiology Associates (SJRA), a US Radiology partner company. He collaborated with over 55 radiologists, and led clinical and operational teams of more than 500 employees, to serve patients in the South Jersey/Greater Philadelphia metro area. In partnership with local physician leadership, he facilitated the successful operational and clinical integration of two legacy private practices and collaborated closely with the local health system on hospital-based radiology services and a strategic joint venture.

Rick has held previous leadership roles in multi-site provider operations, corporate development, supply chain and revenue cycle management, consulting and investment banking at various organizations, including MedAssets, Ernst & Young, Beth Israel Medical Center and Healthcare Administrative Partners. Rick holds a Bachelor of Arts from Washington University in St. Louis, as well as a Master of Business Administration from the Cornell Johnson Graduate School of Management. He resides in Philadelphia with his family.

Chris Robertson

Chief Revenue Officer

Chris is Chief Revenue Officer and leads Revenue Cycle Management (RCM) and Patient Access Services at US Radiology Specialists. He is responsible for directing and growing RCM and centralized patient service functions on behalf of USRS’s national radiology platform. His teams have driven over $35 million in revenue lift to USRS and have generated more than $20 million in cost efficiencies. He has 25 years of experience in RCM and centralized patient service leadership, operations, technologies, and business development.

Prior to USRS, Chris was with Change Healthcare (formerly McKesson Technology Solutions) for over 19 years where he was Senior Vice President/GM of Physician RCM Services. While there, he was responsible for leading RCM services on a national basis to include operations, client services, and sales to over 1,000 customers representing over $700 million in annual revenue. These customers spanned the spectrum of physician specialties and settings of care. He is a graduate of the University of Missouri with a BS in Biology and a Master’s in Health Administration.

Julie Szeker

Chief Legal Officer

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.

Jill Lewandowski

Chief People Officer

As Chief People Officer, Jill has senior leadership responsibility for US Radiology’s Talent Acquisition and Human Resources functions. She has played an integral role in improving staffing metrics across the company and standing up several key strategic HR programs, such as Engagement, Talent Management, and Diversity & Inclusion. Prior to US Radiology, Jill built a career of over 25 years in human resources strategy and operations in the healthcare, manufacturing, and professional services industries. She has held various HR leadership positions, most notably at OrthoCarolina, NTT Data, New Era Cap and Deloitte Consulting. In addition to business experience and expertise, Jill is passionate about her non-profit work and her family. Jill is a graduate of Indiana University of Pennsylvania and lives in Charlotte, NC with her husband and 3 children.

J. Anthony Martin

Chief Financial Officer

As the Chief Financial Officer (CFO), Tony Martin is responsible for overseeing the financial management and strategy of US Radiology, including financial planning and analysis, budgeting, accounting, tax, treasury, and investor relations.

An accomplished health care executive with more than 30 years of experience, Tony has spent his career helping health care providers build sustainable growth strategies and processes, access private and public capital markets, and achieve benefits of operating at scale.

Before joining US Radiology, he was the Chief Financial Officer of US Acute Care Solutions (USACS), the nation’s largest physician-owned provider of integrated acute care medicine, leading the company’s finance function through a four-year period of transformative growth to support providing care to over 10 million patients annually.

Prior to his role at USACS, he served as the Senior Vice President, Corporate Controller, and Chief Accounting Officer of United Surgical Partners International, Inc. (USPI), a company specializing in the operation of short-stay healthcare facilities in partnership with physicians and not-for-profit health systems, leading the company’s accounting function from inception to operating over 400 facilities.

Tony began his career in the audit department of PricewaterhouseCoopers after earning bachelor’s and master’s degrees from the University of Texas at Austin. He has held his license as a Certified Public Accountant since 1997.

Robert L. Mittl Jr., MD, FACR

Chief Quality Officer

Dr. Mittl is a neuroradiologist at Charlotte Radiology in Charlotte, NC. He serves as Chief Quality Officer at US Radiology Specialists and Chair of the US Radiology National Physician Leadership Board, and member of the US Radiology Corporate Board.

After graduating from Washington University Medical School in St Louis, he completed an internal medicine residency at Barnes Hospital (Wash U). As a medicine resident in the 1980s he saw the impact of emerging imaging technology on diagnosis and patient care, so he decided to switch specialties and completed a Diagnostic Radiology residency and Neuroradiology fellowship at the Hospital of the University of Pennsylvania. He joined Charlotte Radiology (CR) in Charlotte, NC in 1993, serving as Chair of CR’s Physician Operations Committee for 13 years and then President of the group for 10 years. In 2018 he led CR in founding US Radiology Specialists with Welsh Carson. He is a Fellow and Councilor of the American College of Radiology, Senior Member of the American Society of Neuroradiology, and member of the Radiological Society of North America and the American Roentgen Ray Society. He holds a B.S. and M.S. in Molecular Biophysics and Biochemistry from Yale.

Paul Taheri, M.D.

Chief Clinical Officer

Paul is a recognized expert in physician engagement, clinical communications, recruiting, leadership development, managing risk, and clinical delivery optimization. As a clinical partner on the healthcare team at Welsh, Carson, Anderson & Stowe (WCAS), he focuses on working with physicians across WCAS portfolio companies. He has served as a practicing physician and senior healthcare operational leader, including as CEO of Yale Medicine, President and CEO of the University of Vermont Medical Group, and Division Chief of Trauma, Burn, and Critical Care and Vice Chair of Surgery at the University of Michigan. Paul is also the past Chair of the Group on Faculty Practices for the Association of American Medical Colleges and an examiner for the American Board of Surgery. He sits on the Boards of US Anesthesia Partners and The Health Management Academy, holds an M.D. from the New York University School of Medicine, and earned an MBA from the Ross School of Business at the University of Michigan.

Alyssa Pepper

Chief Strategy Officer

Alyssa has focused her career on driving strategy and execution in both the payor and care delivery space. Most recently, she served as President of Risk-Bearing Entities for Optum Health East where she oversaw growth, operations, and performance of the business across population health, quality, payer strategy, network development, analytics, risk adjustment, and market operations. During her six years at Optum, she served in a variety of roles overseeing payor strategy and value-based performance. Prior to joining Optum, Alyssa was Director of Accountable Care Organizations and Shared Risk Programs at EmblemHealth. She earned a Bachelor of Science from Cornell University and a Master of Public Health from Hunter College.

Lachlan Tidmarsh

Chief Information Officer

Prior to his current role with US Radiology, Lachlan held a number of leadership roles at high-profile organizations in healthcare. Most recently, he served as CIO for the Blue Cross Blue Shield Association, a national federation of 33 independent, community-based and locally operated Blue Cross and Blue Shield companies. Prior to that, Lachlan was the CIO for UnitedHealth Group’s OptumCare line of business, where he was responsible for delivery of IT services supporting primary care and specialty clinicians across the United States. He also served as the CIO of Surgical Care Affiliates, a leading provider of ambulatory surgical care services nationwide. Lachlan earned a bachelor’s degree in accounting and finance from the University of Technology in Sydney, Australia, and an M.B.A. from Northwestern University's Kellogg School of Management.