Question: Bryan Christopher Callen regularly appears on a podcast by an American stand-up comedian who started his stand-up career in what year?

Related documents: [0]  [DOC] Joseph James Rogan (born August 11, 1967) is an American stand-up comedian, color commentator, podcast host, and retired martial artist. A fan of comedy since his youth, Rogan began a career in stand-up in August 1988 in the Boston area, developing a blue comedy act. He moved to New York City two years later. [END] 
[1]  [DOC] Bryan Christopher Callen (born January 26, 1967) is an American actor, comedian, and podcaster. He studied acting at the Beverly Hills Playhouse, and got his start as one of the original cast members on the sketch comedy series "MADtv". Callen is co-host of the successful independent podcast "The Fighter & The Kid," alongside entertainer and former UFC Heavyweight contender Brendan Schaub. He regularly appears on the Joe Rogan podcast The Joe Rogan Experience. [END]  
Answer: 1988
1988