UN ambassadors: Trump’s nominee is Nikki Haley, Obama’s selection has been Stephanie Power.

Power’s qualifications: 

Power covered the Yugoslav wars as a journalist, won a Pulitzer for a book on genocide, attended the Harvard Kennedy School where she led its Human Rights Initiative, and served as a foreign policy adviser for then-Sen. Obama before joining the National Security Council when he became president. Powers is known for advocating moral intervention.

Haley’s:

During her tenure as governor, which began in 2011, Haley has taken “at least eight” trips abroad according to her home-state newspaper, the Post and Courier.

(From Think Progress, https://thinkprogress.org/nikki-haley-un-climate-2045ef787745?source=rss—-e5293acf313e—4)