Mark leads and supports innovation and design projects with a range of Transcend partners. Prior to joining Transcend, Mark served as Chief Schools Officer at EL Education (formerly Expeditionary Learning) where he oversaw strategy for EL's national network of 150 schools and led the organization’s school design/redesign teams.

Earlier in his career, Mark led the design of The Crossroads School, a public charter school in Baltimore City, Maryland where he served as founding principal from 2002 to 2007. During this time, The Crossroads School was the highest performing middle school in Baltimore City and became a national model for student-engaged assessment, project-based learning and an expanded vision for student achievement. Mark is an Aspen-Pahara Fellow and holds degrees in education from Miami University (OH) and the University of Colorado.

He lives in Amherst, MA with his wife, Jessi, and their daughters, Lilli and Cedar.