»  Mission Statement

»  About Larry Karr

»  About David Fencil

»  About Alfred Mann

RoundTrip LLC is a privately-held company that develops, licenses and manufactures precision location and identification devices.

Established in 2005 by technology expert Lawrence J. Karr and biomedical innovator and philanthropist Alfred E. Mann, RoundTrip is headquartered in West Los Angeles.

Mr. Karr and the RoundTrip technical staff hold extensive patents and patent applications related to advanced communications technologies. RoundTrip’s laboratory continues to develop new prototypes and strives to advance the commercial applications of those innovations.