Colorado Republican Headquarters
5950 S. Willow Drive, Suite 302
Greenwood Village, CO 80111
Office: 303.758.3333
Colorado Republican Committee Officers
Ryan Call
State Party Chairman
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Ryan Call was elected Colorado Republican State Chairman in March 2011. Ryan was born in Denver, grew up in Adams County, and attended Ranum High School in Federal Heights. He received his J.D. from the University of Denver in 2005, and his M.B.A. in finance and organizational management and B.A. degrees from the University of Colorado at Boulder.
Ryan is an attorney with the Denver law firm of Hale Westfall, LLP, where he provides legal counsel and strategic advice to a broad range of corporations and trade associations, tax-exempt non-profits and advocacy organizations, political party committees, candidate and political action committees, and individuals.
Ryan previously served as a member of the University of Denver Sturm College of Law Alumni Council, as a Commissioner appointed by Governor Bill Owens to the Colorado Access to Justice Commission, and worked for two sessions as a legislative aide in the Colorado General Assembly. He has served as a member of the Colorado Secretary of State’s Advisory Panels on Election Law and Campaign Finance and Lobbyist Regulation, and the Colorado Lawyer’s Committee Election Law Task Force. In addition to his membership in the Colorado and Denver Bar Associations, Ryan has been an active member of the Denver Hispanic Chamber of Commerce, the Federalist Society and the Republican National Lawyer’s Association, and is a member of the National Rifle Association.
Prior to being elected State Chairman, Ryan served as the State Party’s legal counsel from 2006 to 2011, assisting Party leaders, candidates, and grassroots activists in navigating the increasingly complicated campaign finance rules, election laws, and Party organizational questions. In the months leading up to the 2008 elections, he took a leave of absence from his law practice to work full-time as In House Counsel and as the State Party’s Political Director. His work for the State Party has involved traveling the state, fielding countless inquiries and calls with local leaders and candidates, and leading numerous trainings and webinars.
Ryan’s heart is and has always been with the grassroots of the conservative movement. He entered politics as a campus leader of the College Republicans at the University of Colorado at Boulder, and served as the State Chairman of the Colorado Youth for Bush effort during the 2000 campaign. In the two years he served as the State Chairman of the Colorado College Republicans, the organization started ten new campus groups and recruited thousands of young people to the Republican Party. He was elected by his peers to serve for two years as the National Co-Chairman of the College Republican National Committee, and in that capacity assisted with national fundraising and continued to provide training and support, and to rally young volunteers for the Republican cause.
In addition to his work at the State Party, over the past eight years Ryan has meaningfully served his own local County Party, volunteering as a precinct committeeperson, for four years as County Party Vice-Chairman, and most recently as the Chairman of the Denver Republican Party.
Ryan and his wife Brittany now live in Arapahoe County with their four children: Aaron (age 9), Lauren (age 7), Andrew (age 3) and Eleanor (age 8 months). In addition to his significant political involvement, he volunteers as a Sunday School teacher, and as a merit badge counselor for the local troop of the Boy Scouts of America.
Lilly Nuñez
RNC National Committeewoman
Lilly Nuñez has been involved in Colorado Republican politics for many years. She went to work for United States Senator Bill Armstrong in February 1979, after he was elected to the United States Senate. She worked for Senator Armstrong in his Denver office for 6 ½ years.
In July 1985, she received a Presidential appointment from President Ronald Reagan as the Special Assistant to the Regional Administrator of the U. S. Small Business Administration (SBA). She was reappointed by President George H. W. Bush.
Lilly worked for the SBA for seven years and was the Acting Regional Administrator when she left her position in January 1993 with the change of administrations.
Lilly has served the Republican Party in various positions. She was elected Secretary of the Colorado Republican Party and served from 1995 to 1997. She was elected State Chairman of the Republican National Hispanic Assembly (RNHA) and served from 1995 to 1999. She was Vice Chairman of the 5th Congressional District; and Precinct Committeewoman and District Captain in Douglas County for the past 10 years.
Currently, Lilly serves at the Republican National Committee (RNC) as National Committeewoman for Colorado. She was elected in 2000 and reelected in 2004 and 2008.
She and her husband, former State Representative Joe Nuñez, live in Douglas County. They have four grown children and 10 beautiful grandchildren.
Mark Hillman
RNC National Committeeman
Mark Hillman is a Colorado native, a farmer, "recovering journalist" and a former Majority Leader of the Colorado Senate. He believes that personal responsibility, limited government and individual liberty are essential foundations of a government that respects the people. Mark served as Colorado's acting State Treasurer from June 2005 to March 2006. Previously, he was elected to two terms in the Colorado State Senate, representing the state's largest legislative district covering 12 counties and more than 21,000 square miles. Mark was elected to leadership posts for five of his seven years in the Senate, including both Majority Leader and Minority Leader. Mark's dynamic, common sense leadership earned recognition from state and national organizations.
During his service in the Colorado Senate, Mark focused on protecting the rights of private property owners against government takings, halting frivolous lawsuits and demanding personal responsibility, promoting economic opportunities in rural Colorado, and empowering parents through educational choice and accountability. Mark also enjoys communicating these commonsense principles through the media.
Don Ytterberg
State Party Vice-Chairman
Don Ytterberg was elected Colorado Republican State Vice Chairman in March 2011. He has served as Jefferson County Party Chairman since February 2009, being reelected in 2011. He was the Republican Candidate for State Senate District 16 in 2008 and is an alumnus of the Leadership Program of the Rockies.Ytterberg has been a business owner in Arvada since 1990 and is currently President of a national specialty concrete contracting company headquartered in Evergreen. He has served as an Officer and Director of a number of professional, technical and community service organizations, has been an Elder in several churches and is the recipient of the 1999 Colorado Environmental Leadership Award.
Ytterberg and his wife, Kim, live in Evergreen. They have 5 children and 5 grandchildren.
Perry Buck
State Party Secretary
Perry Buck was elected Colorado Republican State Secretary in March 2011. Perry is the president and CEO of Northern Colorado Event Planning, LLC.
In 1999, Perry was appointed by Governor Owens as the Northeast Business Development Representative for the Colorado Office of Economic Development. She helped facilitate economic development in the rural communities from Jackson and Grand County in the West to Phillip, Sedgwick County in the Northeast down to Cheyenne, Lincoln, and Elbert County.
Perry attended Greeley West High School where she earned nine letters in track, swimming, tennis and basketball. In 1984, Perry graduated from Pepperdine University in Malibu, California with a degree in English. She did her graduate work in accounting at Ft. Lewis College in Durango, Colorado.
Perry served two years as Secretary and four years as Vice-Chairman of the State Party. Before that she served as Weld County GOP Chairman.
Presently she is the 1st Vice President of the Colorado Federation of Republican Women and 1st Vice President for the Greeley Republican Women. In 2008, Perry was elected in Weld County for County Council.
Perry is involved in many civic organizations, including United Way of Weld County Board of Directors, Habitat for Humanity, Board of Northern Colorado Legislative Alliance, Weld County Chamber of Commerce, Senior Resource Services, Rotary and Weld County Republican Party.
Perry is married to our 2010 Republican nominee for US Senate, Ken Buck, and has two step children Cody who is 22 and is a senior at West Point Academy and Kaitlin who is 20 and attends Clemson University in South Carolina. Ken and Perry live in the country outside of Greeley, Colorado and enjoy gardening, sports and reading.
Christine Mastin
State Party Treasurer
Christine Mastin was appointed Treasurer in April 2011. She is the founding partner of Mastin Hoffman & Crews PC, a law firm dedicated to providing assistance with tax, employment, litigation, corporate transactions, immigration and non-profit issues. She is a graduate of the University of Colorado School of Law and has called Colorado home since 1995.
Christine was the Republican candidate for State House in District 3 in 2010 and has served the party as a Precinct Leader. Her community activities, which include pro bono representation for battered women and serving as a mentor attorney for JAG counsel, earned her the honor of being one of Denver’s “40 under 40” in 2010 and she was named a “Rising Star” by SuperLawyers (in 5280 Magazine). She is a graduate of the Leadership Program of the Rockies and a member of the Cherry Creek Republican Women. Christine is a native speaker of Spanish and has been active in Latino voter outreach efforts.
Christine and her husband, Chuck, live in Arapahoe County and are the proud parents of Wesley (7) and Gabriela (10).
