Original sentence: Since leaving office as mayor, Giuliani has founded Giuliani Partners, a security consulting business, acquired Giuliani Capital Advisors (later sold), an investment banking firm, and joined the Bracewell & Giuliani law firm, which changed its name when he became a partner
Edited sentence: He founded Giuliani Partners, a security consulting business, acquired Giuliani Capital Advisors (later sold), an investment banking firm, and joined the Bracewell & Giuliani law firm, which changed its name when he became a named partner.Since leaving office as mayor, Giuliani has found considerable success in the private sector