OSTTRA makes four key appointments
19 March 2026 UK
Image: RISKI_STUDIO/stock.adobe.com
OSTTRA has announced four key appointments to its leadership and product teams to support its strategy of post-trade transformation.
Nathan Ondyak joins as chief commercial officer, Peter Altero as chief business development officer, Chris Licini as buy side strategic relationship manager, and Christian Kjaeldgaard joins as product design director.
The news follows the acquisition of the firm by private equity company KKR in October last year, and builds on the further investment from a consortium of global banks announced in February 2026.
The new hires will work closely with OSTTRA partners and clients to accelerate innovation and the build-out of new services that bring new capital and operational efficiencies to complex workflows, extending OSTTRA services across asset classes.
Ondyak spent over 14 years at LSEG, where he led the expansion of the firm’s post-trade capabilities, and most recently served as the CEO of LSEG Post Trade Services (TradeAgent) and SwapAgent.
Prior to LSEG, Ondyak held senior product and sales management positions at Markit.
Altero returns to OSTTRA from LSEG, where he spent three years as North America head of TradeAgent, SwapAgent, and Quantile, responsible for advancing LCH’s post-trade operations outside of its core clearing business.
Licini held a leading role in developing strategic customer relationships at LSEG for more than 14 years, focusing on the buy side community.
Kjaeldgaard previously developed post-trade strategy and solutions across the SwapAgent offering at LSEG, having formerly played an important role in the evolution of MarkitWire in the product management team at Markit.
Commenting on the appointments, Guy Rowcliffe and John Stewart, co-CEOs of OSTTRA, state: “Nathan, Peter, Chris, and Christian bring deep expertise and proven track records of innovation and collaboration across our industry.
“This perfectly complements the in-house expertise we already have at OSTTRA. Their appointments will significantly accelerate our ambition to transform post-trade this year and beyond, turning shared infrastructure into shared benefit.”
Ondyak says: “I am excited to be joining OSTTRA at this pivotal moment and look forward to contributing significantly to writing the next chapter in the evolution of the post-trade landscape.
“Our strategy focuses on working with the industry to connect and evolve our robust, trusted infrastructure with the new workflows and technologies that will define tomorrow's financial markets.”
Nathan Ondyak joins as chief commercial officer, Peter Altero as chief business development officer, Chris Licini as buy side strategic relationship manager, and Christian Kjaeldgaard joins as product design director.
The news follows the acquisition of the firm by private equity company KKR in October last year, and builds on the further investment from a consortium of global banks announced in February 2026.
The new hires will work closely with OSTTRA partners and clients to accelerate innovation and the build-out of new services that bring new capital and operational efficiencies to complex workflows, extending OSTTRA services across asset classes.
Ondyak spent over 14 years at LSEG, where he led the expansion of the firm’s post-trade capabilities, and most recently served as the CEO of LSEG Post Trade Services (TradeAgent) and SwapAgent.
Prior to LSEG, Ondyak held senior product and sales management positions at Markit.
Altero returns to OSTTRA from LSEG, where he spent three years as North America head of TradeAgent, SwapAgent, and Quantile, responsible for advancing LCH’s post-trade operations outside of its core clearing business.
Licini held a leading role in developing strategic customer relationships at LSEG for more than 14 years, focusing on the buy side community.
Kjaeldgaard previously developed post-trade strategy and solutions across the SwapAgent offering at LSEG, having formerly played an important role in the evolution of MarkitWire in the product management team at Markit.
Commenting on the appointments, Guy Rowcliffe and John Stewart, co-CEOs of OSTTRA, state: “Nathan, Peter, Chris, and Christian bring deep expertise and proven track records of innovation and collaboration across our industry.
“This perfectly complements the in-house expertise we already have at OSTTRA. Their appointments will significantly accelerate our ambition to transform post-trade this year and beyond, turning shared infrastructure into shared benefit.”
Ondyak says: “I am excited to be joining OSTTRA at this pivotal moment and look forward to contributing significantly to writing the next chapter in the evolution of the post-trade landscape.
“Our strategy focuses on working with the industry to connect and evolve our robust, trusted infrastructure with the new workflows and technologies that will define tomorrow's financial markets.”
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