Crypto exchange FTX is replacing its U.S. president

Brett Harrison, the U.S. president of the crypto exchange FTX,

on Tuesday, with the company in the midst of a massive expansion effort.

Harrison said on Twitter that he will be moving into an advisory role at the company and said he plans to remain in the industry.

“I have deep gratitude for my experiences at FTX in the last year and a half,” he wrote in a tweet.

Harrison joined FTX, whose…