The online retail giant, which has come under fire for a variety of perceived corporate slights, hired Christine Bader to address sustainability issues.

Share story picked a former adviser to the United Nations on business and human rights to lead its corporate social-responsibility efforts.

The company hired Christine Bader as director of corporate social responsibility in June, but never announced the news. Bader mentioned it on her Facebook timeline last week, which was first reported by a journalist for the Guardian’s Sustainable Business blog.

“We’re already acclimating to our new hometown of Seattle: Mr Bader has grown out his beard, and we bought a Subaru and a Weber grill,” Bader wrote on Facebook. “We’re excited for the adventures that lie ahead.”

Bader was unavailable for comment.

Amazon has come under fire over the years for parsimonious corporate giving, an unforgiving workplace environment and a lack of diversity in its hiring. Environmental groups also have given the company low marks for the level of its clean-energy use. in its data centers.

Amazon spokesman Ty Rogers said that Bader reports to the company’s director of sustainability, Kara Hurst.

“Kara has been growing her team steadily over the past year as we continue to work on various issues around sustainability across our business,” Rogers wrote in an emailed statement.

Bader previously worked with U.N. Special Representative John Ruggie to develop the U.N. Guiding Principles on business and human rights, according to her LinkedIn page. She also worked for nearly a decade at BP on social issues, including human rights. She left before the disastrous Deepwater Horizon oil spill in 2010.

Bader is also the author of “The Evolution of a Corporate Idealist: When Girl Meets Oil,” published last year.