Contact Jordan LaPier Director (202) 495-3320 jlapier@ourpublicservice.org An interview with Sammies emerging leader award winner Callie Higgins November 10, 2021 National Institute of Standards and Technology scientist Callie Higgins last night won the emerging leaders award at the 2021 Samuel J. Heyman Service to America Medals awards, known as the Sammies, which are hosted annually by the Partnership for Public Service.