- TOEIC 940
- Japan Shogi Association 5th Dan
- Fundamental Information Technology Engineer
- Applied Information Technology Engineer
++ Programming Competition History
- TopCoder
- [SRM Best Rating] 1500
- [Marathon Best Rating] 1528
- [TCO 2010] Marathon Match Round 2 Advancer
- [TCO 2011] Marathon Match Round 2 Advancer
- [TCO 2012] Algorithm Match Round 2 Advancer
- Codeforces Best Rating
- [Best Rating] 1758
- Google Code Jam World
- [2010] Round 1 Advancer
- [2011] Round 2 Advancer
- [2012] Round 2 Advancer (T-shirt Winner)
- [2013] Round 2 Advancer
- [2014] Round 2 Advancer
- [2015] Round 2 Advancer
- Google Code Jam Japan
- [2011] Finalist (T-shirt Winner)
- Facebook HackerCup
- [2011] Round 2 Advancer
- [2012] Round 2 Advancer
- [2013] Round 2 Advancer
- [2014] Round 2 Advancer
- [2015] Round 2 Advancer (T-shirt Winner)
- POJ Ranking
- 979 out of 576,050 (top 0.17%)
- Sushida
- 19,700 Yen (6.0 types per second)
- Google Developer Day 2011 participant