Zach "Reazon" Heiligman is a MC and songwriter who worked with Foster the People at their tour with sampling, MPC (Music Production Center), programming, digital percussion, SFX, other production, and minimal backing vocals. He appears to have been a member of the band until early 2011. He has co-written and additional production credits on "Miss You" with Mark Foster. Heiligman is a close friend of Mark Foster as well and worked with him on a hip-hop project.
- "Miss You" — written, additional production, programming