Online Services will be unavailable on Friday, November 7 from 7 to 11 p.m. for standard system maintenance. We apologize for any inconvenience this may cause.

As of October 11, 2025, mail services at Canada Post resume, but customers may experience delays as unionized Canada Post employees move from a full, national strike to rotating strikes. To avoid delays, go digital and submit your pension documents to OPTrust through your Online Services account or our Contact Us page. It’s safe, secure and fast!

Sean Thunem

Managing Director, Private Markets Group

Sean Thunem headshot

Sean joined OPTrust in 2013. He focuses on making new investments and managing portfolio company value creation and exit plans across the infrastructure and private equity portfolios in North America. Prior to OPTrust, Sean worked in the mergers and acquisitions group at RBC Capital Markets in Toronto. He holds an honours business administration degree with distinction from the Ivey Business School at the University of Western Ontario.

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