Lettie has been featured on BBC Radio 6 Music Introducing with Tom Robinson and has licensed tracks to H&M London, and various stateside television series, such as Privileged (the CW), Exes and Ohs (Logo) and Beyond the Break, which was shown on The N.
He served as the director of The Hamilton Bank, The American Cotton Oil Company, The Union Oil Company of Providence, Rhode Island, and The N.K. Fairbank Company of Chicago.