San Francisco 49ers assistant strength and conditioning coach history
Jordan Nieuwsma
Nieuwsma is the assistant strength and conditioning coach for the San Francisco 49ers since the 2023 season, a total of three years. The team made it to the playoffs one time (2023) and had a 2-1 record under Coach Nieuwsma in playoff games. In 2023, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LVIII and the 49ers, under the direction of head coach Kyle Shanahan, lost 22-25.
Chauncey Scissum
Scissum is the assistant strength and conditioning coach for the San Francisco 49ers since the 2024 season, a total of two years. Scissum's record as the team's assistant strength and conditioning coach was 6-11-0, making him the second-least successful assistant strength and conditioning coach in San Francisco 49ers history.
Gregory Segrove
Segrove is the assistant strength and conditioning coach for the San Francisco 49ers since the 2021 season, a total of five years. The team made it to the playoffs three times (2021-2023) and had a 6-3 record under Coach Segrove in playoff games. In 2023, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LVIII and the 49ers, under the direction of head coach Kyle Shanahan, lost 22-25.
Aaron Hill
Hill was the assistant strength and conditioning coach for the San Francisco 49ers in the 2019-2023 seasons, a total of five years. Hill's record as the team's assistant strength and conditioning coach was 54-29-0, making him the second-most successful assistant strength and conditioning coach in San Francisco 49ers history. The team made it to the playoffs four times (2019, 2021-2023) and had a 8-4 record under Coach Hill in playoff games. In 2019, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LIV and the 49ers, under the direction of head coach Kyle Shanahan, lost 20-31. In 2023, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LVIII and the 49ers, under the direction of head coach Kyle Shanahan, lost 22-25.
Shea Thompson
Thompson was the assistant strength and conditioning coach for the San Francisco 49ers in the 2019-2022 seasons, a total of four years. Thompson's record as the team's assistant strength and conditioning coach was 42-24-0, making him the third-most successful assistant strength and conditioning coach in San Francisco 49ers history. The team made it to the playoffs three times (2019, 2021-2022) and had a 6-3 record under Coach Thompson in playoff games. In 2019, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LIV and the 49ers, under the direction of head coach Kyle Shanahan, lost 20-31.
Mike Nicolini
Nicolini was the assistant strength and conditioning coach for the San Francisco 49ers in the 2017-2020 seasons, a total of four years. The team made it to the playoffs one time (2019) and had a 2-1 record under Coach Nicolini in playoff games. In 2019, the San Francisco 49ers faced off against the Kansas City Chiefs in Super Bowl LIV and the 49ers, under the direction of head coach Kyle Shanahan, lost 20-31.
Dustin Perry
Perry was the assistant strength and conditioning coach for the San Francisco 49ers in the 2017 season. Perry's record as the team's assistant strength and conditioning coach was 6-10-0, making him the third-least successful assistant strength and conditioning coach in San Francisco 49ers history.
Marquis Johnson
Johnson was the assistant strength and conditioning coach for the San Francisco 49ers in the 2017 season. Johnson's record as the team's assistant strength and conditioning coach was 6-10-0, making him the third-least successful assistant strength and conditioning coach in San Francisco 49ers history.
Kevin Tolbert
Tolbert was the assistant strength and conditioning coach for the San Francisco 49ers in the 2011-2014 seasons, a total of four years. Tolbert's record as the team's assistant strength and conditioning coach was 44-19-1, making him the most successful assistant strength and conditioning coach in San Francisco 49ers history. The team made it to the playoffs three times (2011-2013) and had a 5-3 record under Coach Tolbert in playoff games. In 2012, the San Francisco 49ers faced off against the Baltimore Ravens in Super Bowl XLVII and the 49ers, under the direction of head coach Jim Harbaugh, lost 31-34.
Mark Uyeyama
Uyeyama was the assistant strength and conditioning coach for the San Francisco 49ers in the 2008-2010 seasons, a total of three years.
Duane Carlisle
Carlisle was the assistant strength and conditioning coach for the San Francisco 49ers in the 2005-2007 seasons, a total of three years. Carlisle's record as the team's assistant strength and conditioning coach was 16-32-0, making him the least successful assistant strength and conditioning coach in San Francisco 49ers history.
San Francisco 49ers assistant strength and conditioning coach record
| Coach | Years | Record | Win percentage | Playoff record |
|---|---|---|---|---|
| Gregory Segrove | 2021-2025 | 41-27-0 | 60.3% | 6-3 |
| Chauncey Scissum | 2024-2025 | 6-11-0 | 35.3% | 0-0 |
| Jordan Nieuwsma | 2023-2025 | 18-16-0 | 52.9% | 2-1 |
| Aaron Hill | 2019-2023 | 54-29-0 | 65.1% | 8-4 |
| Shea Thompson | 2019-2022 | 42-24-0 | 63.6% | 6-3 |
| Mike Nicolini | 2017-2020 | 29-35-0 | 45.3% | 2-1 |
| Marquis Johnson | 2017 | 6-10-0 | 37.5% | 0-0 |
| Dustin Perry | 2017 | 6-10-0 | 37.5% | 0-0 |
| Kevin Tolbert | 2011-2014 | 44-19-1 | 69.5% | 5-3 |
| Mark Uyeyama | 2008-2010 | 21-27-0 | 43.8% | 0-0 |
| Duane Carlisle | 2005-2007 | 16-32-0 | 33.3% | 0-0 |
San Francisco 49ers assistant strength and conditioning coach facts
- Duane Carlisle was the first assistant strength and conditioning coach in 49ers history in 2005.
- Aaron Hill and Gregory Segrove coached the most seasons as the 49ers's assistant strength and conditioning coach at five seasons.
- Gregory Segrove, Jordan Nieuwsma, and Chauncey Scissum is the current assistant strength and conditioning coach, starting ahead of the 2021 season.