He is an elected member of American Cinema Editors (ACE) and serves on the board as an associate director.
[1] Helfrich has edited over thirty films such as Stone Cold (1991), Showgirls (1995) with Mark Goldblatt.
He has also edited, with Brett Ratner's direction, a version of the Hollywood film production titled Kites:The Remix a.k.a.
Kites (2010), as well as the pilot episode for Prison Break, an American-based TV drama series produced by Brett Ratner.
Helfrich edited Brett Ratner's music video Beautiful Stranger featuring Madonna.