https://154partners.com/news/former-blackstone-colleagues-isaac-harrouche-and-mike-berlin-partner-with-david-blitzer-and-announce-final-close-of-400-million-debut-fund/2026-04-08T15:51:38-04:00https://154partners.com/news/bloomberg-blitzer-backed-pe-firm-raises-400-million-for-sports-bets/2026-04-08T15:55:47-04:00