Marc Purintun is the chair of Williams Mullen's Employee Benefits and Executive Compensation Practice. His practice focuses on the design and implementation of all types of employee benefit programs, including qualified and non-qualified retirement plans, as well as a variety of welfare benefit arrangements including health, disability, cafeteria plans, flexible spending arrangements, retiree welfare benefit plans, severance plans and other employee benefit plans.

Marc Purintun is the chair of Williams Mullen's Employee Benefits and Executive Compensation Practice. His practice focuses on the design and implementation of all types of employee benefit programs, including qualified and non-qualified retirement plans, as well as a variety of welfare benefit arrangements including health, disability, cafeteria plans, flexible spending arrangements, retiree welfare benefit plans, severance plans and other employee benefit plans.

Marc regularly advises public and private sector clients with respect to the design, drafting and documentation of defined benefit plans, profit sharing plans, 401(k) plans, Section 403(b) tax-deferred annuity arrangements, long-term incentive plans, leveraged and non-leveraged ESOPs and Section 457 plans.

Marc advises clients with group health plans and wellness programs with respect to the requirements of the Affordable Care Act, HIPAA privacy, security and nondiscrimination rules and COBRA compliance. He also counsels plan fiduciaries on their ERISA fiduciary responsibilities. Those would include matters related to the investment and monitoring of plan assets, the evaluation of service provider fee disclosures and compliance with applicable participant disclosure requirements. Marc has advised plan investment committees on best practices for plans that permit participant investments in a company stock fund.

Marc represents clients before the Internal Revenue Service (IRS), the U.S. Department of Labor (DOL) and the Pension Benefit Guaranty Corporation. Such representation assists plan sponsors with voluntary correction programs, the resolution of regulatory audits, and obtaining administrative rulings, determinations and exemptions.

Marc serves as president and a director of the Virginia Equality Bar Association. He is a member of the Tax Section of the Virginia Bar Association and the Employee Benefits Committee of the American Bar Association’s Tax Section, Employee Benefit Plans and Other Compensation Arrangements Group of the American Bar Association’s Real Property, Trust and Estate Section, and the National Association of Public Pension Attorneys (NAPPA). He has been selected for inclusion in The Best Lawyers in America© in Employee Benefits (ERISA) Law (2014-present), and he was named the Best Lawyers® Richmond "Lawyer of the Year" for Employee Benefits (ERISA) Law in the 2017 and 2019 editions. He also has been named among Virginia's "Legal Elite" by Virginia Business magazine (2015). In addition, Marc serves on the board of trustees of Elk Hill. 

Prior to joining Williams Mullen, Marc worked at Hunton & Williams in their Tax and Employee Benefits practice areas. Before that, he practiced at McGuireWoods. He earned his Master of Laws in Taxation with a certificate in employee benefits at Georgetown University and his Juris Doctor at William and Mary Law School. He also earned a B.A. in history and religious studies from Macalester College.