Ryan advises companies and investment banks on a broad range of capital markets matters with a particular expertise in cross-border transactions and the multijurisdictional disclosure system (MJDS) for Canadian issuers.
He has extensive experience advising on public and private securities offerings for U.S., Canadian and international companies, including investment grade and high-yield debt transactions, domestic and cross-border IPOs, follow-on offerings and private placements. Ryan regularly represents syndicates of investment banks in connection with several registered and unregistered U.S. and global medium-term note programs. He also advises public companies on SEC reporting, securities law and stock exchange compliance, and corporate governance matters, and has experience advising on acquisition financing, liability management and other strategic transactions. Ryan works with companies in a broad range of industries, including financial services, mining & metals, energy, technology, media & telecommunications, healthcare and industrials.


Representative matters

The underwriters in connection with numerous registered medium-term note and regulatory capital securities offerings by Bank of Montreal and Bank of Nova Scotia.

The dealers in connection with the establishment of global debt offering programs and numerous senior note offerings thereunder by subsidiaries of Caisse de depot et placement du Quebec, Ontario Teachers’ Pension Plan and PSP Investments.

The Province of Ontario, Province of British Columbia and Province of New Brunswick in connection with several U.S. public bond offerings.

The underwriters in connection with various registered (MJDS) offerings of senior notes by Magna International, Canadian Natural Resources and Methanex.

Published Work

  • Robski, R., et al. (2023) “SEC Rulemaking Roundup”, Shearman & Sterling’s 21st Annual Corporate Governance & Executive Compensation Survey
  • Robski, R., et al. (2023) “The SEC’s Regulation of Foreign Private Issuers”, Shearman & Sterling’s 21st Annual Corporate Governance & Executive Compensation Survey
  • Robski, R., et al. (2022) “After Years of Debate, Climate Change Impact Reporting Gets Real”, Shearman & Sterling’s 20th Annual Corporate Governance & Executive Compensation Survey

Leadership Positions And Professional Affiliations

  • Member, American Bar Association
  • Member, International Bar Association



New York, 2017


B.Sc. (Hons), summa cum laude, Mount Allison University, 2010
M.Sc., Dalhousie University, 2013
J.D., Osgoode Hall Law School of York University, 2016


A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.