Rory O'Sullivan is a managing director at Duff & Phelps.

Rory O’Sullivan is a managing director at Kroll's Technology M&A practice (formerly Pagemill Partners), based in the London office. Rory leverages more than 20 years of experience focusing on mergers and acquisitions advisory and corporate finance within the technology industry.

Prior to joining Kroll, Rory served as Managing Director at Bulger Partners, an independent, software-focused investment banking and advisory firm Bulger Partners. Before that, he served as Head of European M&A at Canaccord Genuity, providing a variety of advisory services (public and private company sell-side, buy-side, divestiture and private capital) to technology clients worldwide. Earlier in his career Rory spent six years at San Francisco-based Robertson Stephens, where he led European internet and communications investment banking. 

Rory is an accomplished dealmaker. His expertise extends across enterprise software/SaaS, internet, information services, semiconductors and communication technology. His deal experience includes the completion of over 50 transactions totaling more than $5 billion in value.

Rory received an MBA from INSEAD and a degree in engineering and management studies from Trinity College, Cambridge.

O'Sullivan /en/our-team/rory-osullivan /-/media/kroll-images/headshots/rory-osullivan.jpg people {1F8452CE-BB02-4541-A705-86D25933687E}{D2F76246-57DE-4122-BA14-46AC90C515B4}{612AFC91-99B8-46FE-AEAF-8C0F5DE0126A}{170088C8-830B-4C38-BC1D-E375A677EEDC}{A60877A4-2248-456C-B8DE-728B8C4124FC} {C811D92E-614C-417A-AF4F-EB80E516C701}{047C49DE-F44A-4E06-9DE8-782E565F291A} {70E25357-B690-49B8-948F-958DAD26DCD4}

Stay Ahead with Kroll

Corporate Finance and Restructuring

Comprehensive investment banking, corporate finance, restructuring and insolvency services to investors, asset managers, companies and lenders.

Technology M&A

Technology expertise for middle-market M&A transactions.

Financial Sponsors Group

Dedicated coverage and access to M&A deal-flow for financial sponsors.

Private Capital Markets – Debt Advisory

Kroll has extensive experience raising capital for middle-market companies to support a wide range of transactions.

Transaction Advisory Services

Kroll’s Transaction Advisory Services is unencumbered by audit independence concerns and offers seamless analytical service throughout the deal continuum.

See all insightsExplore Insights
M&A Advisory

Global Software Sector Update – Late Spring 2022

May 18, 2022

by Karan  KapoorSamir HusseinRory O'SullivanNicolas DepardieuPhilipp BoseMihail IvanovRobert A.  Bartell, CFAScott MunroNicholas CollinsDaniel TaranovskyEfraim Chalamish


Financial Pressures Remain for Care Home Sector

Jun 24, 2022

by Philip Dakin


SMB Guide to Cloud Security

Jun 24, 2022

by Louis Muniz, Brett Davido

M&A Advisory

Healthcare Services Sector Update – Early Summer 2022

Jun 21, 2022

by Brooks DexterEric CoburnPriyanka SharmaPeter Machmeier Cray Yoo