Mark was born in Philadelphia, and raised in Pennsylvania, New Jersey, Texas and California.  He received his MFA in photography from the City University of New York at Hunter College.  In 2018 he was awarded a New Jersey State Council on the Arts Fellowship and is the recipient of a 2016 Puffin Foundation Grant for Photography. Most recently his work has been shown at Princeton Public Library | Arts Council of Princeton, Pollak and Ice House Galleries at Monmouth University, Photography Resource Center at Boston University and Hamilton & Arronson Galleries at University of the Arts.

His editorial work has appeared in many national and international publications including The New York Times, The Philadelphia Inquirer and Daily News, Der Spiegel (Germany),  LA Weekly, Time, Newsweek, US News & World Report and others.  He has completed commissions most notably from Apple, Solebury Township Land Preservation Fund, Ford Foundation and Environmental Defense Defense Fund.  

Ludak is a professor of photography at Monmouth University and has taught photography at Hunter College, San Francisco State University and the Printmaking Center of New Jersey.  He lives in Lambertville, New Jersey with his wife and son.