Question: What is the senior advisor to the 2016 Republican nominee for President of the United States currently working as now?

Context paragraphs:
Arif Budimanta: Arif Budimanta is currently the Vice Chairman of National Economic and Industry Committee, a body that has signed by President in the form of Presidential Decree No. 8 of 2016 to support the success of the President Cabinet in determining the economic and industrial policy.  In that capacity he is also the Senior Advisor for Minister of Finance; Board of Director Indonesia Eximbank Republic of Indonesia; Lecturer of Graduate Program University of Indonesia (UI); Member of the Royal Economic Society (RES) London; Founder and Senior Advisor Indonesian Center for Sustainable Development (ICSD); Executive Director of The Megawati Institute from 2008 till now.

Delegates Unbound: Delegates Unbound is an American non-profit political organization established in 2016.  According to the organization, the group is "working to bring long term reform to the Republican Party."  The group also states that its "primary focus" is educating delegates to the 2016 Republican National Convention "that they are unbound and free to vote as they see fit on all matters before the Republican National Convention, including whomever they wish to be the Republican nominee for President" in the 2016 presidential election.

Republican Party presidential primaries, 2016: The 2016 Republican Party presidential primaries and caucuses were a series of electoral contests taking place within all 50 U.S. states, the District of Columbia, and five U.S. territories, occurring between February 1 and June 7.  Sanctioned by the Republican Party, these elections are designed to select the 2,472 delegates to send to the Republican National Convention, who selected the Republican Party's nominee for President of the United States in the 2016 election, Donald Trump.  The delegates also approved the party platform and vice-presidential nominee.

Boris Epshteyn: Boris Alexandrovich Epshteyn (Russian: Бори́с Алекса́ндрович Эпштейн ; born August 14, 1982) is a Russian-born American Republican political strategist, investment banker, and attorney.  He is currently the Chief Political Analyst at Sinclair Broadcast Group.  He was a senior advisor to Donald Trump's 2016 campaign for President of the United States, and previously worked on the McCain-Palin campaign.  Following Trump's election, he was named director of communications for the Presidential Inaugural Committee, and then assistant communications director for surrogate operations in the administration, until he resigned in March 2017.

Kennette Benedict: Kennette Benedict is a University of Chicago lecturer and Senior Fellow in its Energy Policy Institute.  From 2005-2015, she was Executive Director and Publisher of the "Bulletin of the Atomic Scientists", where she also writes a monthly column.  Before joining the "Bulletin", she had been the Director of International Peace and Security at the John D. and Catherine T. MacArthur Foundation, where she also served as Senior Advisor to the President.  She was responsible for grantmaking on issues of international peace and security including support for efforts to reduce the threat from weapons of mass destruction, and a $50 million initiative on science, technology, and security.  While serving as Director of the International Peace and Security Area, she established and directed from 1992-2002 the Foundation’s Initiative in the Former Soviet Union and in 2000 established a program of support for higher education in Nigeria.  In her position as Senior Advisor, she worked with MacArthur’s President to review and assess the role of private foundations in the United States and abroad.

Donald Trump presidential campaign, 2016: The 2016 presidential campaign of Donald Trump, an American businessman, television personality, and author, was formally launched on June 16, 2015, at Trump Tower in New York City.  Trump was the Republican nominee for President of the United States in the 2016 election, having won the most state primaries, caucuses, and delegates at the 2016 Republican National Convention.  He chose Mike Pence, the sitting Governor of Indiana, as his vice presidential running mate.  On November 8, 2016, Trump and Pence were elected president and vice president of the United States.

Vishakha N. Desai: Dr. Vishakha N. Desai is an Asia scholar with a focus on art, culture, policy, and women’s rights.  She currently serves as Senior Advisor for Global Affairs to the President of Columbia University and Senior Research Scholar at its School of International and Public Affairs.  She also serves as Senior Advisor for Global Programs to the Solomon R. Guggenheim Foundation and is President Emerita of the Asia Society (2004 – 2012).  In recognition of her leadership in the museum field, President Barack Obama appointed her to serve on the National Commission on Museums and Libraries in 2012.  Dr. Desai has been recognized as one of the Most Powerful Women in New York by Crains and for her Distinguished Service to the Visual Arts by ArtTable.  She is a recipient of five honorary degrees from Centre College, Pace University, the College of Staten Island, Susquehanna University, and Williams College.

Steven Koltai: Steven Koltai (born May 10, 1954) is an American business executive and entrepreneur.  From 2010 to 2011, he served as Senior Advisor for Entrepreneurship to Secretary of State Hillary Clinton at the United States Department of State, where he created the Global Entrepreneurship Program (GEP).  Currently, Koltai heads a consulting firm that focuses on international entrepreneurship ecosystem development, and is a Guest Scholar at the Brookings Institution, where he is the author of "Peace Through Entrepreneurship: Investing in a Startup Culture for Security and Development", to be published by the Brookings Institution Press in September, 2016.  He is also a Fellow at the New America Foundation and Senior Advisor to New America's Bretton Woods II project.  Koltai has two sons and lives with his partner, Ivan Zizek, in Washington, DC, and Maine.

Randy Brock: Randolph D. "Randy" Brock III (born September 28, 1943) is an American politician from the state of Vermont and a member of the Republican Party.  He served as the Vermont Auditor of Accounts from 2005 to 2007, as a member of the Vermont Senate from 2009 to 2013 and was the Republican nominee for Governor of Vermont in 2012, losing to Democratic incumbent Peter Shumlin.  He ran unopposed for the 2016 Republican nomination for Lieutenant Governor of Vermont.

David Urban: David Urban (born c. 1964) is an American lobbyist, political operative, and political commentator who worked on the 2016 Donald Trump presidential campaign, helping to orchestrate the 2016 Republican National Convention and serving as a senior advisor in the successful effort to win Pennsylvania.  In November 2016, it was reported that Urban was being considered as the next chair of the Republican National Committee, as well as the White House Deputy Chief of Staff, and in May 2017, it was reported that Trump was considering Urban to replace Reince Priebus as White House Chief of Staff.

Supporting paragraphs: Boris Epshteyn Donald Trump presidential campaign, 2016
Answer: Chief Political Analyst