 FRIENDSWOOD, Texas--BUSINESS WIRE--- CSTL CastleBiosciences--Castle Biosciences, Inc. Nasdaq: CSTL, a skin cancer diagnostics company providing personalized genomic information to improve cancer treatment decisions, today announced that Derek Maetzold, president and chief executive officer, is scheduled to present a company overview at the 20th Annual Needham Virtual Healthcare Conference on April 12, 2021, at 4:30 p.m. Eastern time. A live audio webcast of the companys presentation will be available by visiting Ca 