Warburg Pincus and GTCR will recapitalize Sterigenics International, a provider of contract sterilization, gamma technologies and medical isotopes. No financial terms were disclosed. The transaction is expected to be completed in the second quarter of this year. Goldman, Sachs & Co. and Jefferies LLC were financial advisors to Sterigenics and GTCR while J.P. Morgan Securities LLC provided additional financial advice to GTCR. Also, JPMorgan will provide debt financing for the recap. Sterigenics is owned by GTCR.