OSTTRA, the global post-trade solutions provider, has announced four strategic appointments to its leadership and product teams. 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 as Product Design Director. All four individuals join from the London Stock Exchange Group (LSEG), where they held senior roles in the post-trade division, specifically contributing to services such as SwapClear and TradeAgent.
This recruitment drive follows the acquisition of OSTTRA by KKR in October 2025 and subsequent investment from a consortium of global banks in February 2026. The appointments mark a return to the firm for Ondyak, Altero, and Kjaeldgaard, who previously held positions at Markit, one of OSTTRA’s founding businesses. The new team will focus on accelerating the development of services designed to improve capital and operational efficiencies across multiple asset classes.
The new executives bring extensive experience in post-trade transformation and client relationship management. Nathan Ondyak previously served as CEO of LSEG Post Trade Services (TradeAgent), while Peter Altero led North American operations for LSEG’s non-clearing post-trade businesses. Together with Chris Licini and Christian Kjaeldgaard, they will collaborate with OSTTRA’s partners to modernise complex workflows and expand the company’s global service offering under its new ownership structure.
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