[7][5] While at Princeton he was named a David Lawrence Scholar, served as president of Quadrangle Club, and was inducted into Phi Beta Kappa.

[15] In September 2005, he joined Sheppard, Mullin, Richter & Hampton LLP, moving to Shanghai to open the firm's first overseas office.

[16] He served as the firm's chief representative in China and managing partner of the Shanghai office, where he specialized in international arbitration, corporate compliance, and trade until leaving to become Ambassador.

[18][19] He represented governments and corporations in international disputes, trade, and investment matters with an emphasis on intellectual property-intensive sectors as well as energy, infrastructure, and construction projects.

The White House press release announcing the designation mentioned that the key administration appointment is for a six-year term.

[35] During his time as ambassador, Huebner reengineered his two embassies around youth outreach, whole-of-society engagement, expanding exchange programs, developing new approaches and tools of “21st Century Statecraft,” and identifying practical, mutually beneficial opportunities for bilateral and multilateral cooperation on economic, science/technology, political, security, and civil society projects.

[36] In February 2013, The Sosaiete o Fa’afafine in American Samoa (S.O.I.F.A.S) hosted a welcoming event for Ambassador Huebner as a way of recognizing the role of human rights in the region raise awareness on "organizational issues"[37] (in Samoan culture, being transgender has traditionally been tolerated and celebrated, while homosexuality is illegal).

During this visit, Ambassador Huebner was given an official shirt embroidered with the S.O.I.F.A.S logo that is currently available in the LGBT Collection at the Smithsonian National Museum of American History.

[39] During a visit to Washington in 2012, New Zealand Defence Minister Jonathan Coleman and Secretary of Defense Leon Panetta signed the Washington Declaration, reaffirming the two countries historical cooperation on security matters and setting a framework for renewed dialogue and practical collaboration in areas such as humanitarian and disaster relief and maritime security.

[43] All of the adviser groups are brought together annually for a three-day Connecting Young Leaders Conference focused on leadership training, policy discussions, and networking.

[47] Other youth programs included establishing annual travel awards for top science students and social entrepreneurs, adding Samoa to the Fulbright scholarship program, supporting the Vex Robotics competitions in New Zealand, frequently teaching in local secondary schools, regularly lecturing in universities, sponsoring sports exchanges, adding students to the periodic U.S./N.Z.

[48] Under his leadership the Embassy organized and hosted in 2013 the inaugural USA Universities Expo in Auckland which drew representatives from 35 American institutions of higher education and more than 2,600 local attendees.

[55] Huebner has been a generous benefactor of youth literacy and education programs including the Mahanoy City Public Library.

[17] He served as a staff counsel to the Independent Commission on the Los Angeles Police Department, formed after the Rodney King incident.

[64][76] On October 20, 2013, Huebner and his spouse Dr. Duane McWaine were honored by GABA (Gay Auckland Business Association) at a black-tie dinner in recognition of their whole-of-society engagement and contributions to the LGBT community in New Zealand.

[77] On October 25, 2013, the Royal Society of New Zealand awarded him an Illuminated Scroll for his efforts in promoting science and technology collaboration and education.

[78][79] On October 30, 2013, Huebner was made a Fellow of the Auckland University of Technology Faculty of Business and Law in recognition of his commitment to higher education and student achievement.