Announcements
Sidley Advises Altamont and Hadron in US$250 Million Launch of Hadron
November 6, 2023
Sidley is representing Altamont Capital Partners and Hadron in the launch of Hadron, a groundbreaking hybrid insurer focused on managing general underwriters (MGUs). Hadron is backed by over US$250 million in capital support from Altamont and other institutional investors.
According to Hadron, the company “intends to bring significant underwriting capacity to the growing program space,” by combining “best-in-class underwriting and portfolio management technology with reliable, long-term insurance capacity.”
The Sidley team is led by Tony Ribaudo (Insurance), Ryan Scofield (M&A), and John Grothaus (Insurance), and includes Michael Rosenfield, Jennifer Chae (both Insurance), Scott Pollock, Nathan Enfield, Lee Christie (all Tax), Jonathan Litsey (M&A), Ram Burshtine, Daniel Philion, Bill Turnbull, and John Jiang (all Global Finance).
According to Hadron, the company “intends to bring significant underwriting capacity to the growing program space,” by combining “best-in-class underwriting and portfolio management technology with reliable, long-term insurance capacity.”
The Sidley team is led by Tony Ribaudo (Insurance), Ryan Scofield (M&A), and John Grothaus (Insurance), and includes Michael Rosenfield, Jennifer Chae (both Insurance), Scott Pollock, Nathan Enfield, Lee Christie (all Tax), Jonathan Litsey (M&A), Ram Burshtine, Daniel Philion, Bill Turnbull, and John Jiang (all Global Finance).
Contacts
Capabilities
Suggested News & Insights
Sidley Elects Partnership Class of 29 and Counsel Class of 15 Across Europe and U.S.December 11, 2025Sidley Represents Jefferies in Its Investment in Hildene HoldingDecember 8, 2025Sidley Advises Ancala on Acquisition of U.S. Chemical Infrastructure PortfolioDecember 4, 2025Sidley Represents Wpromote in Its Acquisition of Giant SpoonNovember 26, 2025Sidley Represents GE HealthCare in Its US$2.3 Billion Acquisition of InteleradNovember 20, 2025Sidley Represents Radiology Partners and Its Subsidiary Mosaic Clinical Technologies in the Acquisition of Cognita ImagingNovember 19, 2025
- Stay Up To DateSubscribe to Sidley Publications
- Follow Sidley on Social MediaSocial Media Directory