Each week his voice is heard on over 2,500 radio and television outlets worldwide. He's the prime guest-host on Michael Reagan's syndicated national radio show and serves as political analyst on KUSI Television. He's also been seen on NBC, Fox News Channel, MSNBC and CNN's "Larry King Live". Mark received an Emmy Award for a weekly entertainment show in Southern California and was host of nationally telecast events from Washington, DC on the NET and America's Voice networks.

Mark also appears across America on Turning Point with Dr. David Jeremiah. The daily half hour radio program airs on over 2,000 radio outlets. He's also heard on the national broadcast of Turning Point Television. For a complete radio and TV station listing, log onto to  www.turningpointonline.org. In addition to these programs, Mark is heard each week on hundreds of radio stations nationwide, hosting the Health Line programs, produced by Purity Products.

In January 2006, he completed his eighth consectuive term as President of the San Diego Radio Broadcasters Association.

Mark joined KPRZ/Salem in 1994 after 18 years with KFMB (CBS) Radio in San Diego, where he was Program and Operations Manager. He also served as National Program Director/Radio for KFMB’s parent company and was a popular afternoon personality at the station. Prior to moving to San Diego in June 1976 he worked for Illinois radio stations WRRR, WRWC and WROK.