He moved with his family to Palo Alto, California after his father, a Budapest, Hungary-born Holocaust survivor, accepted a job as a satellite communication engineer in Silicon Valley.

[7] With a degree in management science and biology, Geiger moved to Los Angeles after college and began working as a booking agent for Regency Artists, developing their alternative music division.

[10][11] In its inaugural year, 1991, USA Today wrote that Lollapalooza "revolutionized the concert industry, ushered in the alternative rock format, and galvanized a previously marginalized generation of outsiders.

During his tenure, the WME music division became a "global powerhouse", with Geiger playing a significant role in expanding the international festival business into a multi-billion dollar industry.

SAVELIVE secured $75 million in investment capital to acquire at least 51% equity in the venues, helping them to expand after the pandemic, and bringing them together to create an independent touring network.

[28] In 2023, the original owners of the Alibi, a 200-capacity live music venue in Palm Springs, California, sued Geiger and SAVELIVE for breach of contract, interference, and fraud.