
The board, which includes Tesla's chief executive Elon Musk, is due to meet Trump on Friday,
Uber has been facing mounting backlash from its client-base since it during a protest against Trump's immigration ban around John F Kennedy airport.
Kalanic informed his employees yesterday about his decision.
In a memo to staff seen by the BBC Kalanick said: "Joining the group was not meant to be an endorsement of the president or his agenda but unfortunately it has been misinterpreted to be exactly that.
"Earlier today I spoke briefly with the president about the immigration executive order and its issues for our community," he wrote. Kalanick added: "The implicit assumption that Uber (or I) was somehow endorsing the administration's agenda has created a perception-reality gap between who people think we are, and who we actually are."
Kalanick added: "The implicit assumption that Uber (or I) was somehow endorsing the administration's agenda has created a perception-reality gap between who people think we are, and who we actually are."
Elon Musk's Tesla is the next advisory-board-linked firm targeted by online boycotts. Tesla fans are their Model 3 orders over Musk's connections to Trump.
. Thanks. Cancelled my early reservation and will be donating the $1k to charity instead. Kills me as a TSLA fan but need to take stand
— Colin Niloc (@colinniloc81)