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Source: TedX YouTube

Mamoon Hamid is leaving venture capital firm Social Capital, which he co-founded, in order to join rival Kleiner Perkins Caufield & Byers, Axios has learned. He will focus on early-stage tech investments, with a focus on enterprise software. An official announcement is expected later today.

Why it matters: This is part of yet another shake-up for Kleiner Perkins, one of Silicon Valley's most celebrated venture capital firms, as it tries to find its next generation of leaders. And it nearly happened years earlier, when Kleiner Perkins almost acqui-hired the Social Capital partners.

Resume: Hamid has invested in, and served as a board director for, such companies as Slack, Yammer, Box and Netskope. Prior to helping launch Social Capital in 2011, Hamid spent six years with U.S. Venture Partners.

Go deeper

USAID chief tests positive for coronavirus

An Air Force cargo jet delivers USAID supplies to Russia earlier this year. Photo: Mikhail Metzel/TASS via Getty Images

The acting administrator of the United States Agency for International Development informed senior staff Wednesday he has tested positive for coronavirus, two sources familiar with the call tell Axios.

Why it matters: John Barsa, who staffers say rarely wears a mask in their office, is the latest in a series of senior administration officials to contract the virus. His positive diagnosis comes amid broader turmoil at the agency following the election.

Bryan Walsh, author of Future
3 hours ago - Health

COVID-19 shows a bright future for vaccines

Illustration: Annelise Capossela/Axios

Promising results from COVID-19 vaccine trials offer hope not just that the pandemic could be ended sooner than expected, but that medicine itself may have a powerful new weapon.

Why it matters: Vaccines are, in the words of one expert, "the single most life-saving innovation ever," but progress had slowed in recent years. New gene-based technology that sped the arrival of the COVID vaccine will boost the overall field, and could even extend to mass killers like cancer.

4 hours ago - Health

Beware a Thanksgiving mirage

Illustration: Sarah Grillo/Axios

Don't be surprised if COVID metrics plunge over the next few days, only to spike next week.

Why it matters: The COVID Tracking Project warns of a "double-weekend pattern" on Thanksgiving — where the usual weekend backlog of data is tacked on to a holiday.