As a Sophomore (2025)
- Played in 10 matches, appearing in 25 sets
- Made seven starts at middle blocker
- Averaged 1.24 points per set
- Career-high four kills against No. 5 Ball State (Jan. 10 & Jan. 11)
- Career-highs in digs (3) and blocks (5.0) versus No. 13 Ohio State (Jan. 17)
- Put down his first collegiate ace against No. 2 UC Irvine (Feb. 1)
As a Freshman (2024)
- Did not compete
Prior to Stanford
- A 2023 graduate of Brentwood High School in Los Angeles
- Captained his team as a senior
- Three-time First Team All-League (2021, 2022, 2023)
- Second Team All-League (2020)
- Played for Rockstar Volleyball Club
- Placed third at AAU Nationals (2022)
- Runner-up finish in Milwaukee National Tournament (2022)
- Took third in 2022 SoCal Cup
Personal
- Parents are Michael Mandelbaum and Carlyn Henry
- Has a younger brother, Teddy
- Full name is Gray Michael Mandelbaum
Career Highs
| Statistic | Career High | Opponent | Date |
|---|---|---|---|
| Kills | 4 (2X) | last vs. Ball State | Jan. 11, 2025 |
| Attempts | 7 (2X) | last vs. Ball State | Jan. 11, 2025 |
| Hitting Percentage | .500 (2-0-4) | vs. The Master's | Feb. 15, 2025 |
| Assists | 1 (4X) | last vs. UC Merced | Feb. 28, 2025 |
| Service Aces | 1 | vs. UC Irvine | Feb. 1, 2025 |
| Digs | 3 | vs. Ohio State | Jan. 17, 2025 |
| Blocks | 5.0 | vs. Ohio State | Jan. 17, 2025 |