LSEG appoints Michel-Alain Proch as new Chief Financial Officer
Proch will receive a salary of £850,000 as CFO of LSEG, with remuneration arrangements aligning with the company’s policy. He will also be granted buyout awards to compensate for forfeited bonus and unvested equity awards from Publicis Groupe SA.

The London Stock Exchange Group (LSEG) has announced the appointment of Michel-Alain Proch as its new Chief Financial Officer (CFO) and member of the LSEG plc Board.
Proch, currently serving as Group Chief Financial Officer for Publicis Groupe SA, is set to join LSEG on February 26, 2024, and will officially become CFO on March 1, 2024, pending regulatory approval.
This announcement coincides with the planned departure of Anna Manz, the current CFO, who will step down following the publication of the Group’s 2023 Full Year Annual Results on February 29, 2024.
Michel-Alain Proch was CFO at Ingenico and Atos
Michel-Alain Proch has a distinguished career in finance, having held several CFO positions in listed companies, including Ingenico and Atos, where he also served as CEO, North America, and Group Chief Digital Officer. He has been instrumental in leading the global finance team across 100 countries at Publicis Groupe SA and is the Vice-Chairman of the Board at Maisons du Monde.
Proch’s career has spanned multiple high-profile roles, including being the Senior Advisor to the Chairman and CEO at Worldline SA (Ingenico), and various positions at Atos SE and Hermès International SA. His educational background includes a Master’s Degree in Finance & Economics from ESC Toulouse.
David Schwimmer, CEO of LSEG, expressed enthusiasm about Proch’s appointment: “I’m delighted to welcome Michel-Alain to LSEG. His deep experience across global, financial infrastructure, and IT data solutions firms will be invaluable as we deliver against the next stage of our strategic growth.”
Don Robert, Chair of LSEG, thanked the outgoing CFO Anna Manz for her significant contributions to the Group’s strategy over the last three years and looked forward to welcoming Proch to the Board.
Michel-Alain Proch shared his excitement about joining LSEG, stating, “It is an exciting time to be joining LSEG as the Group continues its transformation as a leading global financial markets infrastructure and data provider. I look forward to working with David and the entire team to deliver against our strategy and achieve further value for stakeholders.”
Proch will receive a salary of £850,000 as CFO of LSEG, with remuneration arrangements aligning with the company’s policy. He will also be granted buyout awards to compensate for forfeited bonus and unvested equity awards from Publicis Groupe SA.