He was a contributing writer for American Veteran magazine, the quarterly publication of the AMVETS organization for 15 years. In addition, his reportage on the military has appeared in the U.S. Military publication Stars and Stripes, Army Times, Vietnam magazine, Military Heritage, Soldier of Fortune, and a plethora of other military publications.

He has traveled on assignment to Vietnam, Laos, Cambodia, Thailand, Malaysia, Japan, Canada and Israel.

Between 2001 and 2008, Marc served as a Public Affairs Officer, with the rank of Chief Warrant Officer-2  with the 40th Infantry Division Support Brigade and the Installation Support Group, California State Military Reserve at the Joint Forces Training Base, Los Alamitos, California.

He also served two volunteer tours for the Sar-El unit of the Israeli Defense Forces.

Marc holds an Associate of Arts degree in Journalism from Los Angeles City College, a Bachelor of Arts in Creative Writing from San Francisco State College, and a Masters in Professional Writing degree from the University of Southern California.

He has been an English Instructor with the Adult Division of the Los Angeles Unified School District since 1975, and, since that time,  has also taught English Composition at Woodbury University in his hometown of Burbank, California, and on line for our men in women in uniform at American Military University, Charles Town, West Virginia. In addition, he is currenty teaching at Pasadena City College.