From an interview with Hillary Clinton in Time:
Exclusive: Hillary Clinton on Running and Governing as a Woman
Jay Newton-Small @JNSmall Jan. 7, 2016
… Q. Any particular foreign leader whose executive stewardship you admire and might want to emulate as president?
Hillary: Well, I have to say that I highly admire Angela Merkel. I’ve known Angela since the 1990s, she and I actually appeared on a German TV show together. I have spent personal time with her. She is, I think, a really effective strong leader and really right now the major leader in Europe, not just in Germany. I admire her political skills and her principles, her strong work ethic. I just find her to be an incredibly important person in the world today and I look to her to see how she’s managed it.
Read More: TIME’s 2015 Person of the Year is Angela Merkel