Ms. Cook Macarro is a partner at Ietan Consulting, LLC. Prior to joining Ietan Consulting, LLC, Holly was a Senior Public Affairs Advisor at Holland & Knight LLP. From 1999-2001, Holly also served as the Director of the Office of Native American Affairs at the Democratic National Committee. In addition, Holly served in the White House Office of Intergovernmental Affairs in 1997-1998, where she worked primarily on Native American issues. Her primary focus areas at Ietan Consulting, LLC include federal governmental relations, legislative advocacy, and appropriations issues.

Ms. Cook Macarro has significant political and legislative experience in Indian affairs matters. While in the private sector, Holly has successfully secured client appropriations for detention center facilities, youth centers and wastewater treatment projects. In addition, Holly has secured legislation protecting culturally significant tribal lands from development by a major energy company. Holly has represented clients on such lobbying matters as tribal gaming issues, self-governance, law enforcement matters and several client-specific legislative initiatives.

At the White House, Ms. Cook Macarro worked for Lynn Cutler, President Clinton’s top person on Indian Affairs issues. Holly focused specifically on tribal intergovernmental affairs matters dealing with Administration policy and federal agency actions. Holly also coordinated the first ever Tribal economic development conference hosted by the White House and several federal agencies in 1998.

During her time at the Democratic National Committee, Ms. Cook Macarro coordinated the national outreach and organizing efforts on behalf of the Democratic party during the 2000 Presidential campaign. In 2002, Holly worked on Senator Tim Johnson's re-election campaign in South Dakota, serving as an organizer on the Pine Ridge Reservation. In 2003-2004, Holly served as the national co-chair of the Native Vote initiative at the National Congress of American Indians (NCAI) where she assisted in putting together organizing, fundraising, and outreach plans for the organization. Leading up to the 2004 Presidential election, Holly also served on the Kerry-Edwards Native American Policy team which was devoted to developing the candidate's policies on Indian Country issues, providing guidance to the campaign regarding tribal outreach, and assisting in various organizing efforts. Holly also served as the Native American coordinator for the Democratic Party of New Mexico in 2004, where she coordinated the party's field and outreach efforts for a battleground state during the Presidential election. In 2006, Holly served on the Minnesota Native Vote team, providing training to field staff and coordination of reservation GOTV efforts. In 2007-2008, Holly served as a key member of Senator Hillary Clinton’s Native American Policy Advisory Committee as part of her Presidential campaign. Following the primaries, Holly was invited to join Senator Barack Obama’s Native American Policy Committee as part of his Presidential campaign. Holly then served as a national delegate to the Democratic National Convention in Denver in 2008.

Ms. Cook Macarro is a frequent speaker and presenter at tribal conferences and events, including the National Congress of American Indians, the National Indian Gaming Association, the California Nations Indian Gaming Association, Women Empowering Women for Indian Nations, Native America Calling, United National Indian Tribal Youth, and various youth groups.

Ms. Cook Macarro is an enrolled member of the Red Lake Band of Ojibwe and a graduate of the University of North Dakota with a BBA and the University of St. Thomas (St. Paul, MN) with an MBA.