Fellowship is a prime opportunity for sub-specialists to hone their teaching skills, however many fellowships lack formal teaching curricula. Existing curricula may not include supervision of fellows' teaching skills. We designed a Fellows as Teachers curriculum for geriatric medicine fellows that incorporates direct observation and feedback to improve their teaching skills. Based on a needs assessment, we implemented the program in the academic year 2021-2022 where fellows were observed in their teaching of third-year medical students. Fellows first participated in a Train the Trainer session, then were observed teaching a geriatrics skills session to medical students after which they received feedback from faculty and students. Fellows completed a survey rating the program's effectiveness in improving their teaching skills. Twenty fellows completed the needs assessment; the majority felt uncomfortable teaching a geriatrics assessment. Eighteen fellows taught at least one skills session; 36% found the program to be extremely helpful, 38% very helpful, and 28% somewhat helpful in improving their teaching skills. We successfully designed and implemented a Fellows as Teachers program consisting of a Train the Trainer session and formal observation with feedback for our geriatric medicine fellows. All fellows felt the curriculum was helpful in improving their teaching skills.