Assisting others in stepping down TwitterChief Executive Officer, Monday Jack DorseyI’m handing the reigns over to a Stanford PhD computer scientist, who played an integral role in the creation of artificial intelligence technology for the company. However, he is mostly hidden from the public eye.

Parag Agrawal was a Twitter user ten years before and rose up the ranks to become technology chief for 2017. take overFollowing Dorsey’s sudden resignation, I was appointed as the CEO. Dorsey called his faith in Agrawal “bone-deep”

Dorsey shared the following email with Twitter employees, Monday’s on Monday. “The board conducted a rigorous selection process and unanimously elected Parag,” he said. He’s my pick for a while because he truly understands the company.

Agrawal was Dorsey’s close partner when he considered the future of Twitter. According to an ex-company executive who requested anonymity, the two share a common vision for decentralizing the social media platform.

Agrawal is a key figure in the development of Project BlueskyOpen-source project. This open-source project has attracted some prominent crypto developers in order to create an open standard for the use of social media. It is a project that aims to develop technology and protocols to allow content from one social network to be shared across many others, much like how email can be read with any provider. 

Agrawal is a striking contrast to Dorsey, who was the face of one the most prominent companies in the tech sector. Dorsey is an illustrious figure in Silicon Valley who helped create several successful start-ups. Agrawal was, however, almost completely behind the scenes at Twitter.

Dorsey now has 5.9million Twitter followers. Agrawal’s Twitter followers were around 24,000 at the beginning of the day. However, that number has risen to more than 100,000 in late morning Pacific.

Prior to joining Twitter in October 2011, Agrawal worked in research at AT&T Labs, Microsoft and Yahoo, according to his LinkedIn page. His doctorate was completed in 2012.

Agrawal, who was formerly a manager of fewer than 1000 people when he joined the company, will manage it with more than 5,500 workers.

Agrawal stated, “While it may have been a decade ago, these days still feel like yesterday.” wrote in an emailTo employees Monday. You can read the full memo to employees on Monday. But now and then, more than anything, I can see Twitter’s amazing impact and our continual progress. And the exciting opportunities that lie ahead.

Agrawal, who was also the company’s CTO, led its technical strategy and guided development of A.I. According to Agrawal, machine learning technology and technical strategy. his bio. 

Timothy Chklovski (an ex-Twitter software engineer) praised Agrawal for his leadership style and technical prowess, as well as his commitment to Twitter.

“Parag is phenomenal, understands the problems, stays up late to get it done, mentors others — he’s the whole package,” Chklovski, who worked with Agrawal from 2012 to 2014, told CNBC. And he is a Twitter addict.”

Yoel Roth of Twitter, the head for site integrity, also tweeted similar sentiments following the announcement.

Roth said that Parag was one the first engineers with whom I began working at Twitter when we first worked on timeline ranking. “His rigor is apparent in all his decisions, and it’s a joy to see that recognized today.”

WATCH: Jack Dorsey steps down as CEO of Twitter