STANFORD, Calif. -- Rodgers Family Director of Gymnastics Tabitha Yim announced the signings of two talented transfer gymnasts for the 2026-27 season on Wednesday.
Ondine Achampong (Kings Langley, England) and Mya Wiley (Silverdale, Wash.) will join the Cardinal for the 2026-27 season.
“We are excited to continue evolving and growing as a program and thrilled to welcome Mya and Ondine into the SWG family,” said Yim. “We are committed to bringing in student-athletes who not only elevate our team athletically, but who genuinely align with our culture, values, and the standard of excellence that makes Stanford and this community so special. Our current team has a strong appreciation for the foundation built by the SWG sisterhood, and their willingness to share and grow that legacy with others is what SWG is all about. It truly takes a village, and we are incredibly grateful for the trust, support, and belief in our program as we continue striving to reach the next level together.”
Stanford Women's Gymnastics 2026-27 Transfer Signees
Ondine Achampong • Kings Langley, England • The Hemel Hempstead School • Previous School: California
Quick Profile
- Member of the women’s gymnastics team at the University of California, Berkeley, for two seasons
- Did not compete in 2026 due to injury
- Saw action eight times in her first season at California (2025)
- Hit on 7 of 8 beam routines in her freshman campaign (2025)
- Set a new career-best (9.925) on beam at the NCAA Regional Final (April 6, 2025)
- Club participation: Lynx Aylesbury Gymnastics Academy
- Member of the Great Britain Senior National Team (2020-present)
- 1st, AA, UB, BB, FX, British Championships (2024)
- 1st, Team, European Championships (2023)
- 2nd, Team, World Championships (2022)
- 2nd, Team and BB, European Championships (2022)
- 1st, Team, Commonwealth Champions (2022)
- 2nd, All-Around, FX, Commonwealth Champions (2022)
- Member of the Great Britain Senior National Team (2020-present)
Personal
- Parents are Karen and Nic Achampong
Why Stanford? »
- “For me, academics have always been a priority when deciding where to continue my education. I chose Stanford University because it offers a world-class education while also being home to one of the top gymnastics programs in the country, and I’m so grateful to have found a place that offers both. During my visit, it was clear that Stanford fostered a strong sense of community among its athletes, students, and staff, and I'm so excited to be a part of that.”
Coach Yim on Ondine Achampong »
- “We’re excited to welcome Ondine to the Stanford family! She brings a rare combination of world-class artistry, precision, and skill that will elevate our program in a really meaningful way. Ondine is thoughtful and observant, and there’s a quiet confidence and humility in the way she carries herself. She’s eager to be part of something bigger than herself, and we can’t wait to see the impact she makes here on the Farm!”
Mya Wiley • Silverdale, Wash. • Central Kitsap High School • Previous School: California
Quick Profile
- Member of the women’s gymnastics team at the University of California, Berkeley, for two seasons
- Competed on uneven bars in every meet and on vault in 13 of 15 meets in 2026
- Set a new career-high mark on bars with a 9.900 at the NCAA Regional Final (April 4)
- All-ACC Academic team (2026)
- Competed in 13 meets in the Golden Bears’ vault rotation in 2025
- Named ACC Newcomer of the Week
- Hit on all 13 vault routines and two of three bars routines (66%) during the 2025 campaign
- Set a career-high 9.90 on vault at the UC Davis Quad (Feb. 28, 2025)
- Club participation: Olympic Gymnastics Center (2014-2023)
- Five-time National Qualifier (2019, 2021-2024)
- 3rd, VT; 7th, FX, AA, Women’s Development Program National Championships (2023)
- Jr F National Team Champion Team Member (2023)
- 2nd, UB; 3rd, VT, FX, AA, Level 10 Regional Championships (2023)
- 1st, VT, Women’s Development Program National Championships (2022)
- 1st, VT; 2nd, UB, AA; 4th, BB, FX, Level 10 WA State Championships (2022)
- 1st, VT; 3rd, UB, Level 10 Regional Championships (2022)
Personal
- Parents are Mayumi and William Wiley
- Born in Ebina, Japan
Why Stanford? »
- “I am so grateful to be joining the Stanford family. From the moment I stepped on campus, I loved how close-knit and welcoming the community felt. The coaches and the girls on the team were so kind and supportive, making me feel at home right away. Beyond athletics, Stanford offers incredible academics, especially in supporting my pursuit of medical school. What really stood out to me was how community-oriented Stanford is, which made the environment feel incredibly special. I’m beyond excited for this next chapter and so thankful for the opportunity to be part of such an amazing community.”
Coach Yim on Mya Wiley »
- “We’re thrilled to welcome Mya to The Farm! She brings strong NCAA experience, and her powerful, dynamic style will be a great addition to our vault and bars lineups. Mya competes with a fiery, competitive edge, and there’s a real joy in the way she approaches the sport. She is genuinely excited to join SWG, and she brings a clear hunger to keep growing and help push our program forward. We can’t wait to see her make her mark at Stanford!”