Paul was born in Cumberland, graduating from Bishop Walsh High School in 1977. He holds a Bachelor of Science degree from Frostburg State University (1981). He married his wife Donna in 1991, and they have three children: Adam, Anthony and Alison.

    Paul began working in radio in 1978 at WTBO/WKGO. He moved to WCMD/WJSE in June 1980, and was elevated to Program Director/Assistant Station Manager in August of that year. He was hired at WMSG/WXIE in 1981 and as News Director, the station won Four Statewide Awards at the Maryland News Network Convention in 1985. In the fall of that year, he was featured on the 500 station ABC Radio Network as the network's chief source of information on the 1985 Flood which ravaged our region. He was eventually elevated to Station Manager/Program Director in 1987. Also that year, he became the lead announcer for Garrett County's cable television initial offerings, and continued in the role as lead announcer for Commercial Video Services Television Production in Cumberland beginning in 1992.

    Paul was hired as Operations Manager at WCBC AM & FM, Cumberland in 1992. During his tenure, WCBC-AM was rated by Arbitron as the Number One station in the market. Mullan was the Master of Ceremonies for the Opening Ceremonies of the 1989 World Whitewater Championships held on Garrett County's Savage River. He also anchored and coordinated on site announcing for the 1992 United States Olympic Whitewater Trials, also on the Savage. Paul returned to Garrett County as Manager of WMSG-AM & WWHC-FM (92.3 The Train) in 1996. He added chief engineering duties in 2005 and completed an overhaul of the stations on air computer system in 2009. Under his direction and hosting, WMSG was named International Radio Station of the Year by the Country Gospel Music Association in 2005 & 2008.

    Paul is in demand as an emcee and host, and has been the Toastmaster for the Alllegany County Dapper Dan Dinner since 1996 and numerous patriotic evemts. including Flag Day and Veterans Day programs. He keynoted the 2009 Garrett County Relay For Life kickoff dinner, and has been the public address announcer at Garrett College for Men's Basketball since 1984. On the air, he has called state championship games in five different sports, the most of any sportscaster currently active in the state of Maryland.

    A Past President of the Oakland Mountain Lake Park Lions Club, Paul has been involved in several charitable efforts over the years, including the House of Hope Food Drive, relief for the victims of the 1985 flood, and the National Day of Prayer.