Horwitz is still friends with many former Sixers players including Andre Iguodala and Evan Turner. Horwitz is also close with Joel Embiid's family including Embiid's father and sister. Horwitz was invited by Embiid to attend the 2018 NBA All-Star Game in Los Angeles, California with Embiid's father and sister. Horwitz sometimes travels on the team's airplane to away games.