MAS Markets hires Rostro exec Saul Knapp as CRO
FCA regulated multi-asset liquidity solutions provider MAS Markets, fresh off of a strong 2025, has announced the appointment of Saul Knapp as Chief Risk Officer (CRO), marking a significant step in the firm’s continued global expansion and commitment to robust risk governance.
Saul Knapp, who is based in London, joins MAS Markets from Rostro Group, where he spent the past four years, first as COO and later as CRO. He was also tapped last year to head the new Futures and Options division at Rostro’s offshore brokerage arm Scope Prime. Prior to his time at Rostro, Saul worked at Equiti Capital, Britannia Global Markets, and GKFX (now Trive).
In his role as CRO, Saul will oversee all aspects of enterprise risk management, ensuring the firm maintains best-in-class standards across market, operational, and credit risk frameworks, while aligning with evolving global regulatory requirements.

Simon Blackledge, CEO and Founder of MAS Markets, commented,
“Bringing Saul on board as Chief Risk Officer is a key milestone for MAS Markets. As we continue to expand our global footprint, strengthening our risk infrastructure is critical. Saul’s experience across complex regulatory environments and his ability to build scalable, high-performance risk functions make him a valuable addition to our leadership team. His appointment reflects our long-term commitment to delivering institutional-grade solutions built on trust, transparency, and robust governance.”
Commenting on his appointment, Saul Knapp, Chief Risk Officer at MAS Markets, added,
“MAS Markets has built a strong reputation as a forward-thinking liquidity provider with a clear focus on institutional clients. I’m excited to join the firm at this stage of its growth and to contribute to strengthening its global risk framework. There is a strong opportunity to further enhance operational resilience, leverage technology, and support the company’s continued expansion across key markets.”
The company added that Saul’s appointment underscores MAS Markets’ broader strategy to invest in senior leadership, technology, and infrastructure, positioning the firm for its next phase of growth across Europe, the Middle East, and Asia.
About MAS Markets
MAS Markets is an FCA-regulated multi-asset liquidity provider offering deep institutional liquidity, advanced trading technology, and tailored solutions to brokers, hedge funds, family offices, and professional traders. With infrastructure hosted in LD4 and TY3 data centres and partnerships with Tier 1 banking institutions, MAS Markets delivers high-performance execution and innovative trading solutions to clients worldwide.
MAS Markets was rebranded from BidX Markets in 2024. The company was founded in 2021 by CEO Simon Blackledge, who continues to hold a controlling interest in the company. Simon had previously run MT4/MT5 white label solutions provider itexsys.
MAS Markets is part of MAS Group, a global multi asset financial markets organisation with a focus on institutional trading, liquidity solutions and funds management.
