- (August 2011)
- Produced pop song "Marry You" recorded by the band Fierce Jones.
- (January 2012) Geoff co-leads a staged reading of "Aftermath" by Lionelle Hamanaka. Character: George, a Viet Nam veteran whose son returns home from the Irag war with severe PTSD. St. Location: Paul-St. Andrew's West End Theatre, NYC. Directed by Howard Planzer.
- (January 2013) Geoff played the lead/title role of Grandpa in "Kikki and Grandpa and Baby", director Yutaka Okada, a musical-comedy off-Broadway that ran January 5th through 25th, 2013 at the American Theater of Actors, NYC.
- (September 2013) Geoff co-leads in the role Mr. Lu in the 3-character play "A Shanghai Hand", written/directed by Dominick Rossetti, also starring Bern Cohen and Paige Elizabeth Smith