MarketAxess appoints new Americas head of client product

Incoming individual brings more than 20 years of fixed income trading experience, and has previously worked at TS Imagine, Agilon Capital and BlackRock. 

MarketAxess Holdings has named Spencer Lee as its new head of client product in the Americas, effective 12 May 2025.  

Spencer Lee

The new position will see Lee, who is based in San Francisco, covering the responsibility for business and product management across US high-grade, high-yield, municipals, dealer and client solutions.  

He will also lead MarketAxess X-Pro, the firm’s trading platform for portfolio trading.  

Speaking on his new role, Lee said: “I am excited to be marking the next chapter of this journey at MarketAxess, as I believe my time as a trader and experience in helping adapt EMS technology to the fixed-income markets have uniquely prepared me to lead this product team in the next phase of innovation.”  

Lee brings more than two decades of fixed income trading experience to his new role. Most recently, he served as chief markets officer at TS Imagine, which he had held since September 2022. 

Prior to this, he also co-founded systematic credit hedge fund, Agilon Capital in July 2018, and served as a director at BlackRock for more than five years, leading global credit electronic trading and West Coast fixed income trading.  

Lee will report to MarketAxess chief executive, Chris Concannon, who said: “Spencer is a well-known and respected leader in the fixed-income markets.  

“He will bring tremendous fixed-income trading experience, market structure expertise, an invaluable buy-side perspective to MarketAxess and will further product advancement for our clients.” 

Read more – MarketAxess appoints UBS AM director as head of client solutions 

The appointment follows recent expansions in MarketAxess’ client-based team. In July 2024, the trading platform operator appointed ex-UBS AM director to a newly created position as head of client solutions.  

«