Kuntal Joisher is an Indian mountaineer based in Mumbai. On 15 May 2018, he stood on top of Mt. Lhotse, the 4th highest mountain in the world at 8516 meters. During the course of the expedition, Joisher only consumed strictly vegan food, and used only vegan gear including a one-piece synthetic suit made completely from animal-free material, as well as mittens and gloves constructed devoid of down or leather.