Los Angeles Times photographer Mark Boster was born and raised in Whittier, California. He graduated from California High School, where he participated in student government and was a varsity athlete in three sports. He went on to play football at California State University, Fullerton, but fell in love with photography, earning a bachelor's degree in communications with a photography emphasis.

In his thirty-four year career as a photojournalist, Boster has worked as a staff photographer for four newspapers and has been with The Times since 1983. Since then, he has covered seven presidential campaigns, the war in Kosovo, the 1984 Olympics, several Super Bowls, the World Series, the space shuttle disaster, and several natural disasters, among countless news events. He has been on the Los Angeles Times Pulitzer Prize-winning teams and has won numerous other awards.

Boster was given an honorary master's degree from the Brooks Institute in 1996 and has been an adjunct professor of photojournalism and visual communications at Cal State Fullerton for twenty-five years. He and his wife, Deborah, live in Southern California and are the parents of two grown sons.