Executive Moves of the Week: Leadership Shifts at Citadel Securities, FundingPips, Axcera, valantic FSA and B2PRIME

The below are selected highlights of last week's executive transitions, including significant leadership shifts across the banking, trading, and FinTech sectors.

Market Maker - Bryan Seegers Resigns as Director of eFX Business Development at Citadel Securities

Bryan Seegers, Director of eFX Business Development at market maker Citadel Securities, has resigned from his position at the company. Mr. Seegers had been with Citadel, based in its New York office, since 2019.

Prior to joining Citadel, Bryan Seegers served as Senior Vice President eFX at investment bank Jefferies, where he was responsible for Global eFX Trading, Algo Execution, and Liquidity Management. His previous experience also includes roles at Retail FX and CFD brokers ADSS in Abu Dhabi, where he was Co-Head Global eFX, as well as Alpari and MultiBank.

Prop Firm - FundingPips Appoints Yassin Mismar as Head of Sales and Retention

Retail proprietary trading firm FundingPips has announced the appointment of Yassin Mismar as its new Head of Sales and Retention. Mr. Mismar joins FundingPips from FX and CFDs broker Equiti Group, where he held the position of Senior Vice President of Sales.

Prior to his tenure at Equiti, which began in early 2023, Yassin Mismar served as Head of Capital Markets for Amman-based broker Al Salam Investments. He also has experience as an FX & Treasury Dealer at Investbank in Amman. FundingPips is owned and operated from Dubai by CEO Khaled Ayesh.

Fintech - Axcera Hires Lubomir Marasi as Commercial Director to Bolster Growth

Axcera, a provider of software and technology solutions to retail proprietary trading firms, has announced the appointment of Lubomir Marasi as its new Commercial Director. This hiring is positioned as a strategic step in the company's European and global growth plans.

In his new role, Lubomir Marasi will be responsible for leading Axcera's sales and partner strategy, with a focus on institutional growth, strategic relationships, and market penetration within the prop trading sector. Marasi, who is based in Brno, Czechia, previously worked for two years at PropGuru, a rival prop firm tech solutions company, as Chief Business Development Officer. From 2019 to 2023, he held various senior business development roles at Czech-based broker Purple Trading.

Fintech - valantic FSA Appoints Dr. Holger Wohlenberg as New CEO

valantic FSA, a provider of digital automation solutions for the financial industry, has announced the appointment of Dr. Holger Wohlenberg as its new Chief Executive Officer, effective June 1, 2025.

Dr. Wohlenberg brings extensive experience at the intersection of finance, technology, and data, including senior leadership roles at Deutsche Börse Group, where he was involved in expanding the firm's proprietary data and technology businesses. This appointment is intended to support valantic FSA's next stage of development and growth, as it aims to scale its presence and impact across Europe and globally. The company supports capital markets and financial services providers with end-to-end workflow automation and integration solutions for critical workflows. Dr. Wohlenberg succeeds Joachim Lauterbach, who has decided to depart after ten years, during which valantic FSA reportedly established itself as a multi-solution service provider with over 100 customers in 18 countries.

Liquidity - B2PRIME Strengthens Institutional Team with Appointment of Stuart Brock​

Institutional broker and multi-asset liquidity provider B2PRIME has continued its recent hiring initiative by announcing the appointment of Stuart Brock as its new Institutional Business Development Manager. Brock joins B2PRIME from oneZero Financial Systems, where he most recently served as Head of Institutional Sales.

Based in London, Stuart Brock brings over 15 years of experience in electronic trading, liquidity solutions, and institutional sales to his new role. During his time at oneZero, he played a central role in expanding the firm's institutional client base across the UK and Central Europe. Prior to that, he held senior positions at Kx Systems, First Derivatives, and RBS Markets, where he contributed to the development of eFX infrastructure and client relationship management strategies.