Mazars USA Key Leadership Changes

Tifphani White-King

New York-based Mazars USA LLP (FY17 net revenue of $189 million) has announced leadership changes.

In addition, the firm announces a 9% increase in its annual revenues for the fiscal year ended Aug. 31, 2018.

“Our firm is experiencing long-term, sustained growth, both organically and through acquisitions,” noted Mazars USA Chairman & CEO Victor Wahba. “With such growth, coupled with strong forces impacting our industry, transformation is a key focus of Mazars USA.  We are committed to continually assessing our business and making modifications consistent with our values, vision, goals and strategy. As part of this, we are ensuring that those leading our teams are innovative, inspiring, and elevate performance. The experience and enthusiasm that these individuals bring to the table are sure to contribute to many more years of success for our firm.”

Jim Welsh

Principal Tifphani White-King has been named the national tax practice Leader. White-King will work closely with the firm’s market sectors, advisory and geographic leaders to implement the firm’s tax services strategies, while strengthening collaboration with the Mazars global tax teams. Her expertise includes international tax structuring, transaction planning, mergers and acquisitions, tax provision, compliance reporting, and other related services.

Ethan Kahn

Partner Jim Welsh has taken on the role of OMP in the firm’s Fort Washington, Pa., office. Welsh’s prior leadership experience, track record of results and significant presence in the Philadelphia and surrounding markets makes him a natural fit for the role. He has more than 35 years of experience providing auditing and advisory services to public companies, privately held businesses and not for profit organizations. His clients range across many industries, including manufacturing, freight and logistics, professional services, real estate, healthcare and higher education.

Partner Ron Lagnado will be the New York OMP for the audit and accounting practice. Lagnado has been with the firm for 15 years and has more than 25 years of experience delivering audit and accounting services to real estate companies.

Ethan Kahn became the leader of the firm’s not-for-profit practice. Kahn takes over as head of the practice with the mission of continuing to provide support to Mazars USA’s nonprofit clients in a time of regulatory and industry changes. Kahn has more than 20 years of experience delivering audit, accounting and consulting services to a range of clients, particularly in the government-funded, not for profit sector and charitable organizations.


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