Matt Larson is the author of 4000s by 40: Tackling Middle Age in the Mountains of New Hampshire, which chronicles his journey of mistakes and self-discovery while seeking to climb all 48 of the Granite State’s 4,000-foot peaks before turning 40. Larson’s memoir explores middle age, fatherhood, and chasing long-held dreams. Larson graduated from the Carroll School of Management in 1999.