J. Michael Cline, a founding investor and former chairman of online ticketing service Fandango, died Tuesday after falling from the window of a high-rise hotel in midtown Manhattan.

The New York Post had the news first. The NYPD confirmed to Deadline that a man of that name and age, 64, fell from the Kimberly Hotel at 145 East 50th. Reports said he died by suicide and left a note.

Cline was a managing partner at Accretive, which funds start-up companies, and the executive chairman of Juxtapose, which has a similar mission but specializes in building consumer-focused companies, according to social media and company websites.

Before he launched Accretive, Cline was a founding investor in Fandango in 2000 as a partner at General Atlantic. Early employees of the ticketing service whom Deadline spoke with today called him absolutely key in getting the new company off the ground. Notably, he negotiated deals with movie theaters chains including Regal and Cinemark,...