Rickman's work has graced the covers of TIME, Newsweek, US News & World Report, People, and Men's Journal. His stories and documentary projects have appeared in National Geographic, LIFE, GEO, Audubon, Travel & Holiday, Islands, and others. His work is represented by Corbis and NewSport Photography and advertising clients include; Allstate, ATT, Haagan Daz, John Deere, Magnavox, Phillip Morris, Yonnex Sporting Goods, Visa, Northwest Airlines, Kodak, Gillette, Nikon, and K-Swiss.

Rickman's work has been exhibited internationally as part of traveling galleries for the Smithsonian Museum in the United States. His project of Navy Seal training was a major photographic exposition in the tenth annual VISA Pour L' Images Festival International in Perpignan, France. He recently completed a book titled, The Wonder Years, dealing with active senior lifestyle that is published by Chronicle Books. It showcases the excitement that continued engagement in active lifestyles for people over 60 can have on longevity.

Rickman's recent return from the 2008 Olympic games in Beijing, China marks his 13th coverage of Olympic competition.