Alexander Givental (Russian: Александр Борисович Гивенталь[1]) is a Russian-American mathematician who is currently Professor of Mathematics at the University of California, Berkeley.

Givental graduated from the famed Moscow high school #2 (Лицей «Вторая школа» [ru]), but was not able to enter a program at a top university due to antisemitism in Soviet mathematics.

He completed his undergraduate and master studies at the Gubkin Russian State University of Oil and Gas, and defended his Ph.D. under the supervision of V. I. Arnold in 1987.

He provided the first proof of the mirror conjecture for Calabi–Yau manifolds that are complete intersections in toric ambient spaces, in particular for quintic hypersurfaces in P4.

[2] As an extracurricular activity, he translates Russian poetry into English[3] and publishes books, including his own translation of a textbook (Элементарная геометрия (Киселёв) [ru]) in geometry by Andrey Kiselyov and poetry of Marina Tsvetaeva.