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Our leadership.

  • Frederick Howe

    Frederick Howe

    Founder, Chairman and Chief Executive Officer

    Frederick Howe is Chairman, Chief Executive Officer and founder of MedImpact Healthcare Systems, Inc., the nation's largest privately held full-service pharmacy benefit manager, with 47 million covered lives.

    Over three decades, Mr. Howe's vision has led to technological breakthroughs and other important changes in the way pharmacy claims are processed and paid every day for millions of consumers. Today, under his leadership, MedImpact is at the forefront of developing new ways to use formularies, disease management and medical data to improve the quality and value of healthcare.

    He has served on the Schering-Plough Advisory Board and the Scripps Foundation for Medicine and Science, and is an active member in the Academy of Managed Care Pharmacy and several other industry organizations.

    A dedicated philanthropist, Mr. Howe supports the American Red Cross, Rady Children's Hospital of San Diego, the Leukemia & Lymphoma Society of America, March of Dimes, and the Make-A-Wish Foundation, among many others.

  • Dale Brown

    Dale Brown


    Dale Brown was appointed President of MedImpact Healthcare Systems in June 2019. Dale is responsible for the company’s enterprise strategy and operations providing oversight to Government Programs and Services, Health Services, Information Technology, and Operations. Dale also provides leadership to MedImpact subsidiaries MedImpact Direct, MedImpact International, ScriptSave, and SUNRx.

    Most recently, Dale was President, MedImpact International, which provides pharmacy benefit management services in 8 countries on 3 continents. In 2003, Dale joined MedImpact and played a key role in the strategic growth of the company by leading, sales, marketing, proposals, account management, product development, network strategy, specialty pharmacy strategy, and enterprise strategy. Prior to joining MedImpact, Dale held leadership roles at Humana, Caremark, Merck-Medco, and Cardinal Health.

    Dale received his MBA in Finance from the University of Chicago Booth School of Business and his Bachelor’s degree in Medical Sociology from the University of Illinois.

  • James Gollaher, CPA

    James Gollaher, CPA

    Chief Financial Officer

    James Gollaher, CPA, serves as the Chief Financial Officer of MedImpact Healthcare Systems and has primary oversight over the financial and international operations of the business.

    Since joining the company in 2007, James has held several management roles, including most recently serving as the Vice President, Controller.

    Prior to joining MedImpact, he held several senior financial positions over the past 25 years at a variety of software, technology and pharmaceutical companies, including Harte-Hanks, Spescom Software and Questcor Pharmaceuticals.

    James holds a master’s degree in business administration from the University of Redlands and a bachelor’s degree in business administration from San Diego State University.

  • Thomas E. Hutton

    Thomas E. Hutton

    Chief Human Resources Officer

    As the Chief Human Resources Officer and Senior Vice President, Global Human Resources, Thomas E. Hutton is responsible for developing and executing on MedImpact Healthcare Systems' people strategies worldwide.

    Mr. Hutton brings nearly three decades of experience to the executive leadership team at MedImpact Healthcare Systems, having served in leadership positions at Fortune 500 companies such as Johnson & Johnson Family of Companies, Amgen, Inc. and The Coca Cola Company.

    Mr. Hutton is a strategic change agent who has successfully transformed human resources departments from transactional, compliance-focused organizations to highly-consultative contributors who align people strategies with positive business results.

    Mr. Hutton holds a Bachelor of Science degree from the University of Delaware, is an MBA candidate/Executive MBA, Fairleigh Dickinson University and is a certified Para Professional Counselor — University of Delaware.

  • Dave Halter, MBA

    Dave Halter, MBA

    Senior Vice President, Strategic Finance Operations

    As Senior Vice President of Strategic Finance Operations, Dave Halter leads the enterprise strategy group, which is responsible for prioritizing and managing corporate strategic capital investment dollars. In this capacity, Mr. Halter heads MedImpact revenue planning, optimization and management, and also partners with sales, marketing and operations to provide strategic business support.

    Prior to joining MedImpact, Mr. Halter held leadership positions at Merck-Medco, where he built a new business unit to deliver improvements in consumer communications, achieve operating efficiencies, and drive the company toward a stronger consumer focus.

    Mr. Halter holds a Bachelor of Arts in Economics from Boston College, where he graduated magna cum laude, and a Master of Business Administration from Columbia Business School.

  • Virginia Howe, PharmD

    Virginia Howe, PharmD

    Senior Vice President, Health Services

    Virginia Howe is a 12-year MedImpact veteran with PBM experience built on many roles and responsibilities within Health Services. As SVP of Health Services, Dr. Howe is responsible for the development and management of multiple quality clinical programs to improve healthcare and reduce the drug spend for MedImpact’s clients. These programs are evidence-based with metrics focused on innovative strategies to improve health outcomes and optimize client’s return on investment. The approaches include but are not limited to unique formulary designs, cost management tools, advanced analytics and expert clinical consultative services.

    Before joining MedImpact, Dr. Howe worked more than 30 years as a clinical pharmacist in ambulatory, critical care and anticoagulation clinics at several major teaching hospitals including Stanford University Hospital, Santa Clara Valley Medical Center and San Francisco General Hospital.

    Dr. Howe holds a Doctor of Pharmacy degree from the University of California San Francisco and an undergraduate degree from University of California at Berkeley.

  • Lisa A. Varrato

    Lisa A. Varrato

    Senior Vice President, Account Management

    As Senior Vice President, Account Management, Lisa Varrato oversees the overall satisfaction, retention and growth of our customers. Lisa has a wealth of knowledge and proven success on partnering with our clients to accomplish common goals. As a member of MedImpact’s Senior Leadership team, she helps the organization achieve improved client satisfaction by driving flexible solutions to optimize customer experience and assists customers in achieving their business and financial objectives through their partnership with MedImpact.

    Lisa has more than 27 years of healthcare industry expertise in pharmacy benefit management, sales and account management, government programs and implementation. She joined MedImpact in 2006 as a Senior Account Executive in the managed care market segment. She was promoted to Regional Director in 2009 and named Vice President of Account Management in 2013. Lisa has been instrumental in leading our account teams to ensure overall client realization through organizational support while obtaining retention and growth objectives.

    Prior to joining MedImpact, Lisa previously was the Director of Sales and Marketing at Advanced Imaging. As a Senior Account Executive at Caremark and AdvancePCS, she was responsible for managed care and hospital organizations. Lisa also worked as an Account Executive for Advance Paradigm and Scrip Card/HCPP in the early 1990s.

  • Nancy Radtke

    Nancy S. Radtke, Esq.

    Senior Vice President, Corporate Services and General Counsel

    As senior corporate counsel, Nancy Radtke is responsible for all aspects of MedImpact's corporate governance, legal operations and regulatory compliance. She is an expert in corporate and healthcare law, including litigation, contracting, risk analysis, and federal and state PBM regulations. Ms. Radtke also is engaged in creating client-specific solutions to complex legal and regulatory mandates. She is a credentialed mediator with extensive experience in dispute resolution.

    As state and federal regulatory policies have changed, Ms. Radtke has helped MedImpact maintain the highest levels of compliance, and has helped the company's clients navigate the new rules and mandates.

    Ms. Radtke has been a member of the State Bar of California since 1991, has a law degree from National University (now Thomas Jefferson) School of Law, a Bachelor of Science from Northern Arizona University, and a Master's degree from the University of California, Santa Barbara.

  • Paul Chan

    Paul Chan

    Senior Vice President, Operations

    As Senior Vice President, Operations, Paul Chan has responsibility for Business Solutions, Configuration Services, Adjudication Services, Contact Center Services, Account Team Operational Staff, and Client Implementations, and for the delivery of core PBM services to our customers and members. He is a results-oriented executive with 20 years of experience delivering complex business solutions through process engineering. Mr. Chan was co-awarded a patent in 2010 for developing dynamic claims adjudication capabilities at the point of sale.

    Mr. Chan has 13 years of healthcare experience, having joined MedImpact in 2006, and has led numerous complex client integrations providing him experience to all facets of PBM systems, services, and lines of business. Prior to MedImpact, he worked in the finance sector (credit services) for nine years managing technical teams. Mr. Chan studied Computer Science Engineering at the University of California, San Diego.

  • Asokan Selvaraj

    Asokan Selvaraj

    Chief Information Officer

    As the Chief Information Officer, Asokan Selvaraj is responsible for delivering quality technology products for MedImpact’s PBM clients and for the evolution of MedImpact’s PBM platform. He collaborates closely with the Chief Technology Officer and provides oversight to the IT Security, Application Support and Infrastructure, Data Warehousing, and IT Services departments. Asokan joined MedImpact in 2006 and has played several roles in shaping MedImpact’s technology landscape.

    Asokan has more than 25 years of professional experience in technology ranging from hands-on software development to information systems architecture. Prior to MedImpact, Asokan has served as a technology consultant for several large corporations including MCI, CSC, Liberty Mutual, and First American.

    Asokan holds a Master’s in Electrical Engineering from the University of Texas at Austin, and a Bachelor’s in Electronics and Communications Engineering from the College of Engineering, Guindy, India.

  • Ray Marsella

    Ray Marsella

    Senior Vice President, Sales and Marketing

    Ray Marsella brings over 30 years of experience in the Healthcare and PBM industry to his role As Senior Vice President, Sales and Marketing for MedImpact. Ray leads our Sales teams and partners with others across the enterprise to penetrate new markets and generate new business in an effort to assist the organization in achieving its multi-year growth targets, to exceed customer expectations and to drive strong business results. In addition to being a Sales leader Ray oversees MedImpact’s Strategic Marketing and Business Proposals teams.

    Ray joined MedImpact in May 2014 as Vice President, Strategic Relations and was responsible for managing our consultant and broker relationships throughout the country and across all business segments. In 2017 Ray took on additional responsibility for managing the MCO sales team and refocused our efforts to grow our MCO client base. He will continue that work as MedImpact’s senior sales leader.

    Ray holds a Bachelor of Science degree in Economics from Montclair State University, New Jersey. Prior to joining MedImpact, Ray held leadership positions in Sales and Account Management at InVentiv Medical Management, Express Scripts and Medco.

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