 SAN FRANCISCO, May 11, 2021 PRNewswire -- Castlight Health, Inc. NYSE: CSLT, a leader in healthcare navigation, today announced that Will Bondurant, chief financial officer, will participate in the Needham 16th Annual Virtual Technology Media Conference, including a presentation on Tuesday, May 18, 2021 at 11:00 am ET. The webcast and related presentation materials will be available on the Investor Relations section of 