Mark met his lovely wife Katharyn while he was a graduate assistant at Florida State University. In 1987, the two finally got married.
They are blessed with four lovely children: Jonathan, born in 1990, David, born in 1994 and the kids they have adopted from Ukraine in 1999, Zach and Anya.
In 2006, Katharyn was diagnosed with cervical cancer. She underwent hysterectomy and only within a few days has been told to expect a full recovery.