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Mazars announces a new member in its Group Leadership team, Cécile Kossoff, who has been appointed Group Chief Communication, Marketing and Brand Officer

October 17, 2018


Paris, France – October 17, 2018 – Cécile brings to Mazars her 25-year experience in marketing, communication and brand management. In particular, she spent the past 12 years driving brand, communications, knowledge dissemination and reputation strategies at McKinsey & Company globally. Prior to joining McKinsey, she served as Strategy, Marketing and Communications Director for LexisNexis France (Reed Elsevier group).

At Mazars, Cécile will work closely with the Group Executive Board and reports to Hervé Hélias, its CEO, to help enhance the group’s brand reputation and client value proposition across its markets globally, as well as grow its businesses.

“We are thrilled to welcome in our leadership team a seasoned expert and thought leader such as Cecile”, group CEO Hervé Hélias explains. “In a moment in time when Mazars has a key role to play in bringing more competition to the market and getting new clients in the audit rotation, Cecile’s action will be critical to communicate to our clients who we are, what we do, and the specific things we bring and that others don’t, which make us a partner of choice”.

In addition to her core mission, Cécile will help Mazars achieve greater gender diversity within the organisation, leveraging her ten-year experience as co-author and leader of the McKinsey’s « Women Matter » series of research. “Her deep expertise and strong leadership on the topic are key assets for our group to make a step change towards our aspirations”, Laurent Choain, Chief People Officer of Mazars group, explains.

For more information, contact:

Mazars USA LLP | Beth More, 732-205-2012 |
Makovsky | Ben Jaffe, 212-508-9646 |

About Mazars

An international, integrated and independent organisation, specialising in audit, accountancy, tax, legal and advisory services, Mazars is a unique firm in the world of professional services. Rich in its European origins, enjoying 75 years of growth, and operating as an integrated global partnership with 20,000+ staff in 86 countries and territories, the Group is seeking today to build a modern, consistent and differentiated brand perception worldwide, reflecting the value for clients, across geographies, businesses and markets, of its unique global and integrated partnership.

About Mazars USA

Mazars USA LLP is a high-performing accounting, tax and consulting firm with significant national presence in strategic U.S. geographies. Since 1921, our dedicated professionals have leveraged technical industry expertise to develop customized solutions for clients, create value, and Optimize their performance. We offer a broad array of industry specialists providing services to growth-oriented enterprises and individuals. As the independent US member firm of Mazars Group, we deliver seamless access to the expertise of 20,000 professionals in 86 countries. At local and global levels, we are proud of our value-added services, building lasting relationships with our clients and communities. For more information, visit us at

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