The Museum of Northern Arizona is governed by an 18-person Board of Trustees. Trustees are elected by the membership for four year terms. Trustees may serve no more than two, four year terms. The Board of Trustees meets six times a year on a regular schedule, or as needed. The Board has six standing committees. The election of Trustees occurs at the Annual member’s meeting that takes place in late March.

MNA Board of Trustees, 2021


Mr. Bob Gunnarson, Chair

Robert "Bob" Gunnarson was born into an Air Force family and traveled the world for the first 18 years of his life.  He received his bachelor’s degree in Economics in 1968 from the University of California, Santa Barbara.  He was then “invited” to join the U.S. Army, served in the highly classified Combat Development Command at Fort Ord, CA before being assigned as a Mobile Advisory Team Leader in the Republic of Vietnam. During this combat tour Bob was awarded the Combat Infantry Badge, the Bronze Star Medal, The Army Commendation Medal, the Vietnamese Cross of Gallantry and the Vietnam Wounded Medal. When Bob left active duty, he spent 5 more years in the active Army Reserves while pursuing a civilian career.  In 1972, Bob joined Merrill Lynch in Santa Ana, CA and was accepted into the highly competitive Merrill Lynch management development program in 1978. Upon entering the Merrill Lynch management ranks he ended his active Reserve duty and was assigned to the U. S. Army Retired Ready Reserves as a Major.  As a Resident Vice President Bob successfully managed several of the largest offices in the Merrill Lynch system for the next 12 years.  In 1990 Bob elected to rejoin the Merrill Lynch Financial Advisory Group and relocated to San Antonio, TX where he managed the financial, family and estate planning affairs of clients across country until his retirement as First VP, Investments.  From 2000 to 2010, Bob served as the founding Chairman of the Garden Ridge Quarry Commission in Garden Ridge, Texas, a citizen commission responsible for the first comprehensive quarry oversight ordinance in the state of Texas.  Bob has been an active participant in, and supporter of, The Key Club, Circle K, The Kiwanis and The Lions Club.  Bob and his wife Carol moved to Flagstaff in 2015 because of the people, the culture and the forest.  Bob is the Chairman on the Northern Arizona Memorial Cemetery Foundation which he helped form to enhance and improve the new regional Veteran’s Cemetery at Camp Navajo.

Mr. Troy Gillenwater, Vice Chair

Troy Gillenwater has spent more than 30 years exploring the Colorado Plateau's landscapes and history.  In 1982 he and his brother hiked across Arizona from Mexico to Utah. In 1987 they rafted 500 miles of the Green and Colorado Rivers.  In 2009 they organized a charitable mountain bike ride across the Navajo Reservation from Mexican Hat to Winslow.  Most recently, Mr. Gillenwater has spent months within the Glen Canyon Recreation Area retracing the steps of Everett Ruess, spurred by Gillenwater's chance encounter in the early 1980s with Mr. Randolph "Pat" Jenks, an early MNA colleague and personal friend of Everett's.  Mr. Gillenwater has more than 30 year’s experience as a real estate professional. He is currently the co-owner of the Russ Lyon Sotheby's International Realty at Desert Mountain office in north Scottsdale.

Dr. Cheryl Ossenfort, Secretary

Born and raised in St. Louis, Missouri where she attended Washington University, obtaining a Bachelor’s degree in Psychology and a Masters in counseling. She worked as a counselor in the schools there until she met her husband, John, and moved overseas, living in England for seven years and Norway for two. While there, she concentrated on raising their two small children and offering family counseling services to the ex-pat community. When transferred to Houston, Cheryl went back to school to further her education and obtained her doctorate in 1998 from the University of Houston in Educational Psychology, where she taught statistics in the University of Houston system. Upon John’s retirement in 1999, the couple moved to Flagstaff. Cheryl taught at Coconino Community College for 10 years and both John and Cheryl went through docent training at MNA, finishing their training in 2001 and working as docents while also volunteering weekly on the research side of the street. This led to their work in helping to set up exhibits, assisting in the production of the Gala, and painting the galleries. Cheryl is also active in many other community organizations, joining the Board of Directors of the Flagstaff Symphony Orchestra in 2009, being its board president from 2012-2014, and just recently retiring as its executive director.

Ms. Marj McClanahan, Treasurer

Marjorie "Marj" McClanahan received her Bachelor of Arts degree from Vanderbilt University in 1963.  She taught high school English classes in Missouri for 3 years before “retiring” to become a full time mother and volunteer in Flagstaff. In 1981, she returned to school at Northern Arizona University to study accounting and other related subjects in order to become a CPA.  In 1990, she was awarded her CPE certificate. Marjorie has been with Nordstrom and Associates CPAs in Flagstaff since 1982.  Her areas of expertise are individual taxes, non profits, and estates and trusts. She is on several non-profits boards and committees past and present  including Flagstaff Community Foundation Board, Arizona Community Foundation Board, FMC Flagstaff Medical Center (past chair of Board), audit committee Museum of Northern Arizona, Capstone Health Services,  advisory council for NAU College of Social Behavioral Sciences, and alum financial advisor for Pi Beta Phi Sorority at NAU.  She has received numerous awards including Flagstaff Citizen of the Year, Athena Award recipient, and Arizona Public Service Award.


Ms. Kelly Dunagan-Johnson

Kelly Dunagan-Johnson is a native Arizonan who grew up in Williams. Her parents met and raised her two older sisters at the south rim of the Grand Canyon, where Dunagan-Johnson also eventually worked. Family roots and its history grounded Kelly in her love for Northern Arizona and the Colorado Plateau. She received her Bachelor of Science Degree from Arizona State University and began a career in the hospitality industry working for Marriott, Club Med and for the concessionaire in Grand Teton National Park in Wyoming. She then experienced the $78 billion corporate empire of the Mars Family working with them in Las Vegas, Nevada. Kelly’s professional endeavors brought her back to Arizona in 2002 where she became the Corporate Director of Retail and Company Procurement for Enchantment Group located in Sedona, Arizona. This varied role elevated her career to include buying for a world renowned resort, its destination spa, a Chesapeake Bay area waterfront resort, golf shops in Sedona and Virginia, a resort gem in the Bahamas, web stores plus general company procurement for the entire Enchantment corporate banner. After eighteen years in that segment of Sedona’s hospitality sector, Kelly recently changed her focus to working currently as a Gallery Director in Sedona.

Kelly is an accomplished equestrian, an avid Indian arts collector, a dog mom who mountain bikes, hikes and kayaks. She loves all things outdoors including hiking and fly fishing. She’s fond of live music and is avidly proud of her native Arizona heritage.

Mr. John Haro

John Haro serves as the Northeast Division Director in the Transmission & Distribution organization at Arizona Public Service. John leads the team responsible for providing safe, reliable energy in APS’ Northeast Division. His specific responsibilities include the operation, maintenance, emergent response, design and construction of the distribution system serving parts of Coconino, Navajo, Yavapai and Gila counties. During his 33-plus year career, John has earned the opportunity to hold various frontline and leadership positions throughout APS and at the Palo Verde Generating Station. After beginning his career in the mailroom, John completed an APS Journeyman Lineman apprenticeship and worked for 16 years in the line trade before being promoted into leadership. John led the Operations and Maintenance team in Surprise between 2010 and 2012; in 2012, he was chosen to lead the Energy Control Center where he directed and led the grid operations team for APS’ service territory and oversaw the interconnected EHV (extra high voltage) grid within the southwest region. In 2014, he was promoted to Senior Manager of Transmission Maintenance for the APS region and was responsible for leading seven departments consisting of 177 employees. In October of 2016, John was awarded the Northeast Division Director position headquartered in Flagstaff. John and Laurie Haro have four beautiful children and one granddaughter. John enjoys leadership/personal development, arts, woodworking, sports, the outdoors and spending time with family. John is also a proud Marine, having served four years in the USMC Reserves.

Mr. Maury Herman

Maury Herman is the third generation in his family to work in historic downtown Flagstaff.  As an active real estate investor since 1974, he has led the renovation or construction of over forty commercial and residential projects in Arizona and California, including adaptive reuse of many historic buildings in Flagstaff and Prescott.  He holds a B.S. from Antioch College and a J.D. from Loyola Law School. Maury is an active civic and community leader in Flagstaff.  In the past 26 years, he has served on over twenty advisory committees and non-profit boards in Flagstaff, including the Flagstaff Main Street Foundation, the Flagstaff Forty, Diablo Trust, the Northern Arizona Chapter of the Arizona Historical Society, the Downtown Business Alliance, and United Way. Most recently, he served as a member of the Citizen's Advisory Council for the Flagstaff Area Regional Land Use and Transportation Plan from 2010 to 2013. Maury and his wife Karen have been MNA Plateau Society members for many years.

Ms. Kristine Herzog

Kristine Herzog is a resident of Coyote Springs. An Arizona native, Kristine was born in Phoenix. After time in Phoenix and Patagonia, her family moved to the White Mountains of Arizona. Her father’s family were some of the first homesteaders in eastern Arizona and her mother taught elementary school in Alpine, Arizona as well as on the Navajo reservation in Ganado. Kristine earned her Bachelor of Science degree in Industrial Engineering from New Mexico State University in Las Cruces, NM. After working for a year in Phoenix for Accenture in their computer consulting division, she relocated to Boca Raton, Florida where she worked for Florida Power & Light before helping start a recruiting firm focusing on placements within the computer technology industry. Prior to relocating to Flagstaff, Kristine worked in graduate education at Florida Atlantic University in Boca Raton, Florida while pursuing a master’s degree in Nonprofit Management.  Kristine is an avid volunteer and served as a Board member for the Junior League of Boca Raton for several years. Since moving to Flagstaff, she and her husband Brian have been supporters of NAU Athletics, Flagstaff Shelter Services, and ANEW Living, recently joining ANEW Living’s Board of Directors. Kristine has also assisted the Arizona Community Foundation with grant review for the Flagstaff youth services committee. Kristine loves living in Coyote Springs and its association with the Museum of Northern Arizona. She is thrilled to be back in her home state of Arizona and looks forward to many years of involvement with the Museum of Northern Arizona and the Flagstaff community.

Mr. Michael Hofmann

Michael W. Hofmann is an independent corporate director and advisor.  He currently serves as a director of Calpine Corporation (NYSE:CPN) and its audit and compensation committees.  Until his retirement in 2012, he was a senior financial executive at Koch Industries, one of the largest and diverse companies based in America with operations in over sixty countries.  He was a member of Koch’s senior leadership board and officer and director of affiliated entities.  Michael served on the Federal Reserve Bank of Kansas City Economic Advisory Council, as trustee of the Global Association of Risk Professionals, and director of professional and other non-profit organizations.  He is a Certified Public Accountant and National Association of Corporate Directors (NACD) Board Leadership Fellow.  A native Canadian, Michael was raised in Germany and now resides with his wife in Sedona, Arizona.

Ms. Karletta Jones

Karletta Jones is Dine (Navajo). She is Red House clan and born for Zia Weaver. Her maternal grandfather is the Red Bottom people and her paternal grandfather is Red Running into the Water. Raised on the eastern part of the Navajo Nation in Standing Rock, New Mexico, her summers were spent at sheep camp where she is convinced her mother and grandparents were training her to be an accountant via inventory management (sheep being the inventory). As such, she earned her BS in Accountancy from Northern Arizona University (NAU) in 2001 and up until 2015, worked in public accounting firms that include Ernst & Young, Frost, Stephens and Company and HintonBurdick. In 2015, Karletta joined the internal audit department at NAU as her passion is to exemplify and encourage Native youth to pursue higher education. As a testament of her dedication to the accounting profession and the internal audit profession, she earned her Certified Public Accountant license and her Certified Internal Auditor license in 2015 and 2016, respectively. Her professional experience includes audits, reviews and compilations of financial statements for non-profits, public and private businesses, and governmental entities as well as assurance and consulting services to improve the operations of NAU via operational, compliance, financial and investigative audits. Karletta is an active member of the Accounting & Financial Women’s Alliance – Flagstaff Chapter, recently completing two consecutive 1-year terms as President and served on the board of the Native Americans for Community Action, Inc. from 2009 to 2010. She enjoys spending time with her family, running the trails at Fort Tuthill with her husband, playing basketball and volleyball, and cheering on her sons in their academic and athletic endeavors.

Ms. Grace Lau

Grace Lau, CFA, has been a professional money manager since she graduated from George Washington University Business School in the seventies. Her career included working at Standard & Poor’s, First Interstate (Wells Fargo), Northern Trust, and Barclays International Private Banking. In 1997 she founded Pacwest Financial Management in Phoenix, a registered investment advisor that specializes in private wealth management. In 2017 her firm merged with Benefit Financial Services Group, and she is the Managing Principal of the Phoenix Office and an equity partner of the combined firm. Grace earned a Bachelor of Science in Biology and Chemistry from the University of Wisconsin. She went on to earn her MBA specializing in International Business & Finance at George Washington University. She is also an Honor Graduate of the Pacific Coast Banking School. Grace has served as the Chairman of the City of Phoenix Deferred Compensation Board, the President of the Phoenix Chartered Financial Analysts Society, the Vice-Chairman of the Investment Advisory Council of the Arizona State Retirement System, and a trustee for the Arizona Educational Foundation, the Arizona Community Foundation,  the University of Wisconsin (Eau Claire) Foundation and  Social Venture Partners of Arizona. Currently she is a trustee for the City of Phoenix Firefighters #493 EB Trust Fund and a board member of Museum of Northern Arizona and trustee of the Endowment Fund. Grace is a native of Hong Kong and has lived in United States for most of her life.  She has been married to Charles Tsui for almost four decades. Their only child, Cathleen Yu, also lives in Phoenix with her husband Edwin and they have three young boys. She is in law and he is in medicine.

Dr. LuAnn Leonard

Dr. Leonard (Hopi/Tohono O’odham) is Alwungwa (Deer Clan) from the Village of Sichomovi located on First Mesa. She is a graduate of Northern Arizona University, earning a BS in Social work in 1983. In the Spring of 2017 she was awarded an honorary Doctorate of Philosophy from Northern Arizona University (NAU). After graduating from NAU she began her professional career as a Social Worker for the Phoenix Indian Center. Since then she has worked in Hopi Tribal Government as a public servant for over 32 years in positions such as Education Counselor, Higher Education Counselor, Director Hopi Tribe Grants and Scholarship Program, Staff Assistant to the Hopi Tribe Vice-Chairman, Director Hopi Office of Youth Affairs, and Staff assistant to Hopi Tribal Chairman Wayne Taylor, Jr.

LuAnn is currently the Executive Director of the Hopi Education Endowment Fund (HEEF). Under her leadership the award winning fund has grown in value from $10 million to over $24 million, which includes annual distributions of over ½ million in funds to support scholarships and community programs. In 2008 one of the highlights of her career occurred when she was appointed to serve an eight year term on the governing Board for Arizona’s public universities (ASU, U of A and NAU) the Arizona Board of Regents (ABOR) by then Arizona Governor Janet Napolitano. Upon completion of her service in the Fall of 2016, Dr. Leonard continues to be the first and only Native American to ever serve on ABOR.

LuAnn is the proud parent of Nicole and Joaquin and grandmother to baby Amelia.

Ms. Sherra Lyon

Sherra Lyon currently serves as Vice President, Commercial Banking at Alliance Bank of Arizona. Sherra has been in the professional financial services sector since she graduated from Northern Arizona University in 1990 earning a Bachelor of Science degree in Accountancy. Her professional career began in Phoenix as an independent auditor and tax professional with McGladrey and Pullen CPA firm. She was also the Director of Finance for a mid-sized family business prior to beginning her career in Commercial Lending in 2004. Sherra is a Certified Public Accountant and graduate of the Pacific Coast Banking School. Sherra specializes in helping businesses and non-profit organizations succeed by providing financial tools and resources to grow and manage their business. Sherra was born in Texas and spent a good deal of her youth travelling as a daughter in an Air Force family. She returned to Northern Arizona in 1998 to raise her daughter and live in the beautiful place she loves to call home. Sherra is the current Treasurer of the Flagstaff Downtown Business Alliance, serves on NAU Franke College of Business Finance Advisory Council and the MNA Financial Audit committee and has volunteered with several other non-profits in Flagstaff. She enjoys spending time outdoors with family, friends and a variety of pets exploring our magnificent state and region.

Ms. Soonya McDavid

Soonya "Soonie" Wilson McDavid was adopted as a young child by philanthropists, Jean and Dick Wilson of Tucson, Arizona. She and her five siblings spent the school year in Tucson and summers in Flagstaff, while Dick Wilson taught geology at the University of Arizona and worked at the Museum of Northern Arizona Research Center, where he was a curator and a coordinator for the geology research program from 1958-1978. She holds a BS in chemistry from the University of Arizona and a MBA in international business from American University in Washington, D.C. Her career started as a peptide chemist for a biotechnology company in Tucson, Arizona, where her focus was on amino acid synthesis. She moved to the east coast to pursue a business degree while working for the EPA Sample Management Office on data analysis from Superfund sites and as a research assistant for an engineering firm before finishing her MBA. Upon graduation, she stayed in the Washington, D.C. area to work for two industry trade associates representing formulated consumer products on environmental regulations affecting air, water and waste.  She returned to Flagstaff as a full-time resident in 1995 to work for an innovative, international medical device company in their cardiovascular business. She is currently a quality assurance leader supporting manufacturing, new product development, post-market surveillance and business operations.

Ms. Alexandra Shroufe

Alexandra Shroufe is an attorney in private practice. Her law practice emphasizes estate planning and elder law. Alexandra has been practicing law in Flagstaff since 1996 and is admitted to the Arizona and Federal Bar Associations. She extensively plans modest to complex estates and assists individuals and families with long-term care planning, guardianships and conservatorships, special needs trusts, probate proceedings, and post-death trust administration. Originally from Connecticut, Alexandra graduated from McGill University in Montreal, Canada, with a bachelor’s degree in Industrial Relations and obtained her JD from the University of Arizona. Alexandra is the past president of the Coconino County Bar Association and volunteers with several other non-profits in Flagstaff. She spends her days outside of the office with her husband and two sons, all of whom enjoy the wonders of the Colorado Plateau.

Mrs. Marsha Sitterley

Marsha Morgan Sitterley received her BA from the University of Arizona and her MSW from Arizona State University. Originally from the DC area, she resides with her husband Ted in Tucson. She spent over 25 years as a human resources professional in various industries; the last 15, prior to her retirement, in international healthcare software. She previously served on the board for Tucson United Way; the Pima County Workforce Investment Board; Eller College of Business, University of Arizona; AIESEC, ASU Chapter; the Arizona Foster Care Review Board, and was most recently on the Board of Directors for the Grand Canyon Association (now Grand Canyon Conservancy). She is a current volunteer mediator with the Arizona Attorney General’s office and serves as a public panel member for the Office of the Presiding Disciplinary Judge of the Arizona Supreme Court. Marsha’s love of the Canyon led to over 20 hikes below the rim, 4 river rafting trips, and one rim to rim. She has visited & hiked many of the Colorado Plateau’s National & State Parks and considers herself lucky to live so close to such a magnificent area and contributing to MNA.

Dr. Dean Taylor

Dean Taylor is a physician who retired in 2010 after 40 years in the practice of pathology and laboratory medicine. His undergraduate education was completed at Northwestern University, followed by medical school at the University of Pennsylvania, with postgraduate specialty training at Yale-New Haven Hospital, Mayo Clinic, and the University of Washington (Seattle). After two years in the Navy at the Naval Hospital-Boston, Dr. Taylor went on to work in hospital and specialty laboratory medical practice in Memphis and La Jolla, with his final 33 years spent in Nashville, TN.  He first visited Flagstaff in 1980, shortly after his sister, late board member Peggy Taylor, had moved here, and was a regular visitor until moving permanently to Flagstaff in 2012. Dr. Taylor has enjoyed numerous hiking and camping trips in Arizona as well as in the adjacent “four corner” states and has been a Museum member and a regular participant in Museum programs and activities for over 20 years.

Mr. Tsosie Taylor

Tsosie Taylor is an artist who lives in Flagstaff, Arizona. A native of Indian Wells, Arizona, Mr. Taylor is a graduate of Coconino High School and Northern Arizona University. He has been a long-time track and cross country coach at Coconino High School. As an artist, he is a maker of Navajo jewelry, specializing in stamp work and stone setting in a traditional Navajo style. Mr. Taylor has participated in many of MNA’s Navajo Festivals, notably winning the Curator's Award at the 48th Annual Navajo Marketplace in 1997. Mr. Taylor also received a Best of Show Award for a bolo tie at the Navajo Nation Fine Art Show in 1992. Mr. Taylor shares his jewelry making talent and passion with family. In recent years, Mr. Taylor’s grandson has followed in his artistic footsteps, displaying and selling photography alongside his grandfather at Southwestern art markets. If elected to the board Mr. Taylor looks forward to being an ambassador for the museum to the Navajo community and to its artists.