Executive Team

Keith Newton serves as Concentra’s Executive Chairman. He served as Concentra's Chief Executive Officer from 2015 to October 2026 and as our President until 2023. Mr. Newton was also Chairman of the Board of Directors for the Company from 2018 to 2022 when we were part of a joint venture between Select Medical and Welsh Carson and other investors.

Prior to 2015, Mr. Newton served in various management and operational roles at the Company and our predecessor, OccuSystems, from 1995 to 2011 and was promoted to President and Chief Operating Officer from 2007 to 2011. In 2011, Mr. Newton moved on to DentalOne Partners as President and Chief Operating Officer. Prior to joining OccuSystems in 1995, Mr. Newton worked for Columbia HCA’s Ambulatory Surgery Division and its predecessor, Medical Care International, from 1991 to 1995. Prior to 1991, he had served in various accounting and finance roles at The Associates First Capital Corporation and was a CPA with KPMG Peat Marwick.

Mr. Newton earned his Bachelor of Business Administration in accounting from Texas A&M University in 1985.

Matt DiCanio is Concentra’s President and Chief Executive Officer. He has served as President since 2023, overseeing Concentra’s clinical, operations, sales, marketing, corporate development, human resources, finance & accounting, real estate, and various business unit teams.  He has led strategy, capital allocation, and growth efforts, including acquisitions and integration.  Matt also became Chief Financial Officer in 2024 and led the company’s IPO process and subsequent public company efforts.

Before joining Concentra, Matt held various positions in finance, mergers and acquisitions, and management. His experience includes serving as principal and co-head of the health care vertical at a middle-market investment bank based in Dallas; as an investment banker at Bank of America Merrill Lynch in New York City; and as a CPA with KPMG LLP, also in New York City.

After earning a B.S. in Business Administration from the University of Richmond, Matthew later earned an MBA in Finance and Economics from Columbia Business School in New York. 

John Anderson has served as Chief Medical Officer since 2014. He directs the delivery of medical care for the entire Concentra organization. He joined Concentra in 1993 and offers more than 45 years of experience in occupational medicine. He is responsible for overseeing the medical practice, assuring evidence-based health care, and supervising more than 2,000 physicians and clinicians.

Dr. Anderson is a Fellow of the American College of Occupational and Environmental Medicine (ACOEM) and board certified in both occupational medicine and health care quality management. He has served as an appointed member of the Michigan Workers' Compensation Advisory Council and Wayne State University's Occupational Medicine Resident Advisory Committee. He is a contributing author and co-editor of the reference textbook: Low Back Pain: An Evidence-Based, Biopsychosocial Model for Clinical Management.

Dr. Anderson is a graduate of John Carroll University and Kansas City University of Medicine and Biosciences.

Jill Rosenthal serves as the incoming chief medical officer of Concentra, effective September 1, 2026 and will assume the role of chief medical officer, effective January 1, 2027. She directs the delivery of medical care across the organization and is responsible for overseeing the medical practice, advancing clinical quality and innovation, ensuring evidence-based health care, and supporting more than 2,000 medical clinicians.

Dr. Rosenthal began her Concentra career in 2006 as a PRN physician in Florida and later served as an Area Medical Director. Prior to rejoining Concentra, she spent more than 16 years with Zenith Insurance, where she led medical strategy initiatives and advanced clinical innovation programs. She is an internationally recognized leader in occupational medicine and currently serves as President of the American College of Occupational and Environmental Medicine (ACOEM).

Dr. Rosenthal earned her undergraduate degree from Duke University and her medical degree from the University of Illinois.

Giovanni Gallara leads all clinical aspects of Concentra's physical rehabilitation program and operationally supports Concentra Advanced Specialty physician program, ancillary services, peer review services, managed pharmacy, and referrals management teams.

Giovanni joined Concentra in 2011 and served as vice president of therapy operations, supporting the Northeast and Mid-Atlantic regions prior to joining the executive leadership team in 2016. For more than 20 years, Giovanni has developed a focus in outpatient orthopedics, sports medicine, occupational medicine, clinical analytics, and clinical outcome measures. In addition to his clinical background, he has diverse experience working in the financial services industry, operations, business analytics, and academics.

Giovanni received his undergraduate degree from Stockton University, Master’s degree in Physical Therapy from UMDNJ-Rutgers University, Doctor of Physical Therapy from the University of Montana, and is certified in Orthopedic Manual Therapy.

Mike Kosuth is responsible for the day-to-day operations of more than 280 medical centers in Concentra’s east region. In his role, Mike manages and optimizes field operations with responsibility for profit and loss (P&L) of the centers to ensure Concentra’s strategic and financial success in his region.

Mike joined Concentra in 1996 in an operational development role at a time when Concentra had fewer than 75 centers. Throughout his career with Concentra, he has held various positions where he applied his effective leadership acumen to help drive the company forward. Mike continues to be a positive force for Concentra and is instrumental in the successful expansion of the company’s footprint, operationalizing numerous acquired and newly established medical centers in the East region.

Mike has a Bachelor of Science from the University of Akron and a Master of Business Administration from Kent State University.

Doug McAndrew executes Concentra’s strategic field operations in the western United States, overseeing more than 250 medical centers. In this role, he optimizes and manages field operations, is responsible for profit and loss (P&L) of all sites and ensures Concentra’s strategic and financial success in our West region.

After starting at Concentra in 1994 as a sales account executive, Doug quickly became known as a top performer, driving revenue and aggressively growing Concentra’s customer base. His efforts were recognized with multiple promotions, culminating in a promotion to vice president of sales. After eleven years in sales, Doug transitioned to Concentra’s operations team by leading a culture of accountability and driving results in key business units before being promoted to senior vice president of operations.

Doug has a Bachelor of Science in Business Administration from Texas State University.

Tanner Newton serves as Concentra’s Chief Financial Officer. In this role, he leads Concentra’s accounting, financial reporting, financial planning and analysis, tax, treasury, corporate finance, capital markets, procurement, real estate, corporate development, and investor relations functions. 

Prior to joining Concentra in 2025, Tanner spent more than a decade in private equity and investment banking, partnering with executive management teams and boards of directors to drive growth, strategic execution, and value creation. He led investment underwriting and transaction execution efforts, advised on mergers and acquisitions and capital markets transactions, and supported strategic, financial, and operational initiatives across a diverse range of businesses.

Tanner earned a Master of Science in Finance and a Bachelor of Business Administration in Accounting and Business Honors, summa cum laude, from Texas A&M University.

Su Zan Nelson first joined Concentra in 2001. In her role, she is responsible for all facets of Concentra's financial and other statistical reporting, planning and budgeting, capital management, and auditing activities.

In 2014, Su Zan left Concentra for a brief period to serve as interim CFO DentalOne Partners, a dental management service organization supporting 160 dental practices, and in 2015 Su Zan served as the CFO for MedPost Urgent Care, a division of Tenet Health with 45 urgent care centers. Her experience also includes health care-related financial consultation with several leading corporations.

Su Zan earned her bachelor's degree in finance from the University of Texas at Arlington and is a certified public accountant (CPA).

Jon Conser oversees Concentra’s customer acquisition, revenue operations and relationship management by leading Concentra’s field sales, key accounts, strategic national accounts, payor relationships, employer services TPA, telemedicine and network channel relationships.

Jon has served in various key sales management roles since joining Concentra in 2003, initially serving as vice president of national accounts in Concentra’s managed care division.

Before joining Concentra, Jon held various management sales leadership positions with financial, insurance, automotive, and oil and gas companies. He received a BBA in business from Southern Methodist University.

Greg Gilbert joined Concentra in 1994 and provides reimbursement, managed care contracting, and pricing management and operational direction for the organization. He is also actively involved in legislative initiatives in various states concerning workers' compensation laws and policies. Greg has participated in numerous public presentations at workers' compensation public hearings related to proposed changes to laws, policies, and fee structures.

Greg earned his Bachelor of Science in health professions from Texas State University and his MBA from the University of Dallas. He is a certified patient account manager (CPAM) through the American Association of Health Care Administrative Management (AAHAM).

Tom Devasia leads Concentra’s product, marketing, and digital teams. In this role, he oversees the planning, development, and execution of marketing efforts across all channels to drive customer awareness, acquisition, and engagement. He provides executive leadership of Concentra’s innovation and customer experience initiatives.

Before joining Concentra in 2016, Tom held roles of increasing responsibility in product innovation, marketing, and brand strategy at global and U.S. Fortune 100 health care companies.

Tom earned dual Bachelor of Arts degrees in biology and business from Bellarmine University and holds an MBA in marketing and international business from Xavier University.

John deLorimier oversees the development and execution of customer engagement solutions including strategies for digital transformation, data sharing and technology platforms and services, as well as customer support. In his role, John oversees business and technology processes to optimize Concentra’s engagement with its customers and business partners.

Previously, John served as executive vice president of customer growth and experience and provided executive leadership to Concentra’s sales, marketing, product development, and customer support teams.

Before joining Concentra, John served as segment vice president of product and sales development for Humana, where he oversaw marketing, sales operations, and product integration initiatives for the employer group segment. John also held senior roles in professional services organizations advising Fortune 500 companies on sales effectiveness, channel optimization, change management, innovation, and knowledge management. He earned undergraduate and graduate degrees from Virginia Tech.

Dani Kendall leads Concentra's field human resources functions, including the HR mergers and acquisitions due diligence process, talent acquisition, training and field support, compensation, and employee relations.

Prior to joining Concentra in 2000, Dani held human resources leadership roles in a variety of industries including computer retail (CompUSA), dental management (United Dental Care), and life insurance (Protective Life Insurance).

Dani maintains her Senior Professional in Human Resources (SPHR) designation and earned her BBA degree in marketing from Texas Christian University, where she was a scholarship athlete in swimming.

Mike Rhine leads national operations for Concentra’s onsite health and telemedicine businesses. In this role, he is accountable for all aspects of the programs, including P&L, strategy, account management, and customer and patient experience.

Mike joined Concentra in 2003 and rose through physical therapy leadership roles before joining operations, where he held various leadership positions along the East Coast. He most recently served as vice president of operations for Concentra’s northeast region. He has extensive experience in operations, technology implementation, and financial leadership, coupled with strong knowledge of the workers’ compensation industry and emerging issues affecting occupational health care.

He earned his doctoral degree in physical therapy at Duke University and his undergraduate degree in biology at East Stroudsburg University.

Tim Ryan joined Concentra in 2024 as the company’s Chief Legal Counsel. He is responsible for strategic legal, regulatory, and corporate governance advice and management for the Concentra organization and oversees the company’s legal department and operations.

Before joining Concentra, Tim served as Chief Legal Counsel at AccentCare, a prominent home health care provider. Prior to that, he held several key positions at UnitedHealth Group, culminating in his role as General Counsel of OptumHealth, a diversified health and well-being company. Earlier in his career, Tim was a private practice attorney at law firms in Chicago and Detroit.

After earning a Bachelor of Business Administration from the University of Michigan, Tim received his Juris Doctor from Boston University in Boston, Massachusetts.