Tourmaline expands world crew with two new buying and selling hires

Outsourced buying and selling answers company, Tourmaline Companions, has expanded its world crew with the addition of 2 new hires from Jefferies and T. Rowe Value, The TRADE can disclose. 

Aaron Hantman

The hires span each Europe and Asia and sees Stephen St. Pierre sign up for the company as a managing director, buying and selling, to fortify the company’s expansion.  

St. Pierre brings greater than 20 years of buy- and sell-side buying and selling revel in to his new function, and joins from Jefferies, the place he labored within the company’s outsourced buying and selling unit.  

The hires additionally come with Michael Ward, who joins Tourmaline as a managing director, Asia buying and selling, founded in Sydney.  

Ward joins the company from T. Rowe Value, the place he labored throughout Eastern and Australian buying and selling for greater than 10 years, a space he’s set to proceed to concentrate on in his place at Tourmaline. 

In the past in his occupation, Ward has additionally held more than a few senior positions throughout gross sales buying and selling and hedge fund gross sales at Citi for 17 years, which he joined in 1996.  

St. Pierre’s and Ward’s hires additionally align with the hot addition of Guillame de Chabaneix, who joined Tourmaline in October as a managing director, Ecu buying and selling, from BTIG.  

London-based de Chabaneix helps Tourmaline’s purchasers buying and selling in EMEA markets in his new function, and brings greater than 15 years of trade revel in to the company.  

Chatting with The TRADE at the appointments, Aaron Hantman, leader government and founding father of Tourmaline, mentioned: “Increasing our world franchise with seasoned, regional ability will lend a hand us to fulfill the rising call for we’ve got observed in all main areas. The new contraction of gamers throughout the outsourced buying and selling group has speeded up that expansion.  

“There are just a few main gamers within the trade.  Shoppers are recognising that paradigm and onboarding at Tourmaline for enhanced buying and selling get entry to, affect in native markets, high quality execution, and the easiest operational experience.” 

The appointments additionally observe additional hires for Tourmaline over the process 2025, with the company confirming that extra additions to the worldwide crew are “at the horizon.”  

In April, Jeff Zuckerman rejoined Tourmaline to absorb a managing director function, 4 years after departing the company to function an government director inside of Wells Fargo’s outsourced buying and selling crew in 2021.  

Tourmaline additionally expanded its world footprint to Dubai in early 2025, with extra body of workers set to sign up for the regional crew in Q1 2026.