The Grand Teton Music Festival Board of Directors

Martha Birkett-Morley

By heritage, birth (Boston, MA, upbringing (Wellesley, MA) and education (Connecticut College, BA History), I am a New Englander.  I spent nearly three decades living abroad; Japan, and as a US State Department spouse with postings in the former Soviet Union (Ukraine and Russia), Yugoslavia (now Serbia), Switzerland and Sweden.  I worked in Embassies and International Schools.

Returning to the USA, I received a MAT from Trinity College, Washington, D. C. and taught as a special educator.  I am the mother of two sons and three step-sons. (One son and two daughters-in-law have BM degrees from the Lamont School of Music, University of Denver).  I have lived in the West 19 years and am a full-time resident of Jackson Hole with my husband, Bruce Morley.  The Morleys have a strong history in the valley; my father-in-law, Alex Morley, was co-founder of the Jackson Hole Mountain Resort.  Alex was part of the group with Baroness Conseulo von Gontard who envisioned a summer music festival for Jackson Hole.  Alex was instrumental in the JH Ski Cooperation donating the land on which Walk Hall now sits.  My husband has attended the festival concerts since the beginning when held in the old Jackson-Wilson HS gym.  I have been on the GTMF Auxiliary since 2012, and have served as Membership Chair for 4 years and now, as in-coming President.  Music has always been a big part of my life and I have sung in various choirs or chorales.


Katherine Brooks

Katherine (Kakie) Brooks grew up in St. Paul, Minnesota, then moved to the East Coast for college and graduate school. She attended Smith College (1981, B.A. in English), then taught high school English in the Boston area for 5 years. In 1986, she moved to Charlottesville to pursue graduate work in University of Virginia’s English department (M.A., 1990) and is ABD—all but dissertation—toward her Ph.D. in English Literature. She taught freshman English at University of Virginia and at Virginia Tech before starting her family in 1993. Around that time, she began a consulting business called The Inheritance Project which focused on the psycho-social issues surrounding wealth transfer. She and her two partners pursued that work until 2000. Since 2000, she has served on and/or provided informal consulting to a dozen local nonprofits. She is the Chair of the Center for Nonprofit Excellence in Charlottesville, Virginia.

Kakie has two daughters (Sophie is 22 and Anna is 19), and she is married to Dr. George Beller, former Chief of Cardiology at University of Virginia. As a family, they enjoy hiking, skiing, and the arts.


John Costello, Co-Chair

John Costello has over 30 years of experience in consumer goods, retail, and technology. The first half of his career was spent in classic management jobs, with the second half devoted to helping companies navigate high change environments, from start-ups to $70-billion companies.

Mr. Costello is currently Chair Emeritus of the Mobile Marketing Association, following his retirement as President – Global Marketing and Innovation at Dunkin’ Brands (the parent company of Dunkin Donuts and Baskin Robbins). He served as EVP of The Home Depot, Chief Global Marketing Officer of Yahoo,  CEO of, SVP of Pepsi-Cola US and President of Nielsen US. He began his career at Procter & Gamble, where he held senior marketing and brand management positions.

He has significant governance experience, serving as a current or past director of Ace Hardware, Quaker Oats, The Bombay Company, American Film Institute, Ring, Inc. (which was acquired by Amazon), GroundTruth, Inc., The National Multiple Sclerosis Society and Yellowstone Forever, and as an Advisor to Untuckit, WinView Games and Linkwell Health. Costello is also past Chair of the Mobile Marketing Association, the Association of National Advertisers and the Advertising Council.

David Donovan, Secretary

David E. Donovan spent his professional career in financial services. At the end of his career he was an Executive Vice President of JPMorgan Chase and co-head of Chase Capital Corp. which invested in subordinated debt and equity of private companies in the U.S.

Prior to that he was an Executive Vice President of Bank One Corp. At various times he was head of Wealth Management, Human Resources and co-head of Capital Markets. Previously he was head of Asset Backed Finance. David started his career at Chase Manhattan Bank in New York.

He served fourteen years as a Trustee of the Museum of Science and Industry in Chicago. As a board member he was on the Finance Committee and the Investment Sub-committee.  David was also a member of the Chancellor’s Advisory Committee at Texas Christian University for seven years. He is a member of the Board of Visitors for the Neeley School of Business at Texas Christian University. David was publicly elected Trustee for the Village of Tuxedo Park, N.Y.

Christian Erdman

Christian Erdman lives in Teton Village with his wife Jacqueline and their daughter Mackenzie. They have had property in Jackson since 2004, and recently moved here full-time along with Christian’s office from San Francisco.

Christian is a Private Investor. He is Vice President of Ulupalakua Ranch Inc. He holds positions at Spokane Gateway LLC, Valhalla Property Holding LLC, and Shasta Copper Exploration Inc. He also serves on the boards of The Abalone Farm Inc., TerraMax Inc., and Coleridge Downs Ltd.

He holds a Bachelor of Arts in Art History and Criticism, and a Bachelor of Science in Agricultural and Managerial Economics—both from University of California, Davis.

Christian previously served on the boards of the University of California Davis Foundation, and of the San Francisco Conservatory of Music. At the UC Davis Foundation, he was a member of the finance and investment committee and of the audit committee. At The SF Conservatory, he was a member of the Executive Committee and had served at various times as head of the Audit Committee and of the Committee on Academic Affairs and Student Life. He served as the Chair of the Frank H. and Eva B. Buck Foundation where he where he was responsible for winding the Foundation down at the end of its 25-year life.


Ralph Haberfeld, Treasurer

Ralph Haberfeld spent more than 30 years as a strategic planning and marketing consultant to community financial institutions, first with a practice based in southern California and then with his own firm. Although Ralph has been retired for 12 years, the firm he founded continues as an ESOP.

Ralph graduated from Ohio University and earned his MBA from Harvard Business School.

Ralph and his wife Louise are avid wildlife enthusiasts. Ralph is an Emeritus Director at Teton Science schools in Jackson, and he and Louise support many non-profit organizations in Jackson Hole. They are great fans of the Grand Teton Music Festival, attending three evenings most weeks.

Ralph serves as Treasurer of Board of Directors.


Gary Harvey

Gary Harvey is President and Principal Consultant at William E. Wecker Associates, Inc. He received the B.S. degree in Applied Mathematics from the United States Air Force Academy and the M.S. degree in Operations Research from the Air Force Institute of Technology. Prior to joining William E. Wecker Associates, Inc. he was an officer in the U.S. Air Force.

Gary has expertise in statistical and mathematical analysis. This expertise includes damage analysis, survey design, U.S. and international payment card market analysis, human health and epidemiology, automobile safety, hospital data analysis, and Bayesian analysis.

He has served as an expert witness in litigation, arbitration, and regulatory proceedings involving evaluation of damages, breach of contract, copyright infringement, consumer product performance, epidemiology, sample design, payment card market analysis and profitability, statistical analysis of payment card industry data, and class certification. Additionally, he has worked as a consultant on numerous litigation and business consulting engagements including: antitrust matters involving claims of price-fixing, false advertising, unfair competition and monopolization; consumer product safety and performance; environmental damage; class actions alleging disparate impact in insurance, insurance claims, lending, and wages; also patent and intellectual property matters involving pharmaceutical drugs, petrochemical formulation, automobile components.  Some of his clients include Visa, Visa Europe, JPMorgan Chase, Bank of America, Wells Fargo Bank, Citibank, Barclays, Capital One, Fifth Third, HSBC, Major League Baseball, National Football League, National Basketball Association, BP Solar, Ford, Geico and Allianz SE.

Gary is married to Melissa Harvey and they have four children.  After the Air Force, they lived in the San Francisco Bay Area for 18 years before moving to Jackson Hole in 2013.  Gary enjoys traveling, skiing, mountain biking, road biking, hiking, SCUBA, reading, music, opera, watching his kids play soccer, and exploring all the opportunities around Jackson Hole.

Thomas Hooten

Thomas Hooten is Principal Trumpet of the Los Angeles Philharmonic Orchestra. Hooten began his career in 2000 with a trumpet/cornet position in “The President’s Own” United States Marine Band in Washington, D.C., where he was often a featured soloist. He went on to join the Indianapolis Symphony as Assistant Principal Trumpet in 2004, the Atlanta Symphony Orchestra as Principal Trumpet in 2006, and the LA Philharmonic in 2012. He released Trumpet Call, his first solo album, in 2011. In 2019, he recorded John Williams’ Concerto for Trumpet and Orchestra, which was conducted by the composer. Hooten is on the faculty at the University of Southern California where he and his wife, Jennifer Marotta, teach the trumpet studio. A native of Tampa, Florida, he earned his Bachelor of Music degree from the University of South Florida and his Master of Music degree from Rice University. His primary trumpet teachers have included Armando Ghitalla, John Hagstrom, and Don Owen.

Daniel Laufer

Daniel Laufer

Daniel Laufer began his orchestral career with the Dallas Symphony Orchestra in 1989 under Music Director Eduardo Mata. Since the fall of 1991, Mr. Laufer has been the Associate Principal Cellist of the Atlanta Symphony Orchestra. Mr. Laufer has recorded under the Koss label the Double Cello Concerto for two cellos by David Ott with his father, Wolfgang Laufer, and the Milwaukee Symphony Orchestra. Daniel Laufer has been a soloist with a number of orchestras including the Atlanta and Dallas Symphony Orchestras. A regular chamber music performer, Mr. Laufer has performed at many festivals such as the prestigious Pablo Casals Festival in Prades, France, the Barge Chamber Music Series in New York, the Kfar Blum Chamber Music Festival in Israel, the Amalfi Coast Festival in Italy, and the Amelia Island Chamber Music Festival. He has collaborated in chamber music with artists such as Yo-Yo Ma, Sadao Harada, Robert Spano, Donald Runnicles, Alan Gilbert, James Ehnes, Pinchas Zukerman, and the Fine Arts Quartet. Since 2012, Mr. Laufer has enjoyed being associated with the Grand Teton Music Festival as one of the Principal Cellists under Maestro Donald Runnicles. Outside of his duties as a musician with the Atlanta Symphony Orchestra, Daniel Laufer is President of the Atlanta Symphony Orchestra Players’ Association and has served in this capacity since 2006 with the exception of the 2013 season and serving as Vice President for the 2014 season.


Matthew Lusins

Matthew Lusins is a Partner at Convergence Investments, a Jackson based real estate private equity firm. Prior to joining Convergence in 2018, Matthew was a Managing Director and Partner at Meritage Group LP, the $10B multi-family office for employees of Renaissance Technologies, most notably the Simons family. Based in New York, he oversaw more than $2.5B in investments across a wide range of alternative strategies, including to many of the industry’s most exclusive and respected managers.

Prior to Meritage, Matthew helped build two successful alternative investment platforms at the Carlyle Group and Deutsche Bank. He started his career at the United States Senate where he was the Special Assistant to the late Daniel Patrick Moynihan. He received his MSc from the London School of Economics and his BA from Boston University, where he was a scholarship rower.

Matthew resides in Jackson with his wife Erin, and their three young children.


Laurentius Marais

Laurentius Marais is an Executive Vice President at Compass Lexicon. He holds graduate degrees in mathematics, statistics and business administration from Stanford University. At the Stanford Graduate School of Business, he earned a Ph.D. degree, completing a dissertation on applications of computer-intensive statistical methods to topics in accounting. He has served on the faculties of the University of Chicago and Stanford University.

Dr. Marais has extensive experience in applying statistical and mathematical theory and methods and, in particular, in assessing and “refereeing” the validity of statistical studies, inferences, and conclusions. In much of his work during his 28 years at Wecker Associates he developed and applied these skills in a broad variety of complex litigation and regulatory settings, often involving the critical assessment of multiple expert submissions from a range of areas of expertise having significant statistical and mathematical content.


Barbara McCelvey, Co-Chair

Barbara graduated from Stanford University with a BS in Civil Engineering and then from The University of Texas at Austin with a MS in Civil Engineering specializing in Geotechnical Engineering. She worked in the Oil and Gas Industry designing offshore structures for field development. After her two children were born, Barbara retired and became focused on family and community concerns. She now is involved in a number of family owned businesses with her siblings.

Barbara and her husband, Pat, split their time between Houston and Jackson. Barbara is on the Executive Committee for the Houston Symphony as Secretary.

Other community involvement includes St. Francis Episcopal Church as a choir member and past senior warden, Salvation Army Auxiliary, the Jones Hall Foundation, and the Shepherd Society at Rice University, a support group for the music school at Rice. Barbara also is past President of the Houston Symphony League and the Friends of the Spring Branch-Memorial Library.

Barbara and Pat fell in love with Jackson on a fly-fishing trip in 2006 and bought a second home here in 2007.  They have been regular attendees GTMF concerts for many years. This is Barbara’s second time serving on the GTMF Board of Directors.


Ari Rifkin

Ari Rifkin was a Sergeant Major in the Israel Defense Forces and a successful New York sales representative. She is now a part-time Jackson Hole resident and an avid photographer. She is also a proud aunt and grandmother.

Since the death of her husband in 2008, Ari has focused on a calling that is healing her heart and touching thousands of lives through philanthropy. She believes in giving back to society and to her Wyoming, Indiana, and Florida communities to send happiness and opportunities out into the world.

In addition to her Grand Teton Music Festival support, Ari helps Grand Teton National Park Foundation to promote its mission, fights hunger, and sends veteran’s children to camp. The arts and land preservation efforts benefit from her support as well and her funding for research, a subject close to her heart, may mean someone else won’t lose their sight to degenerative eye disease as her husband did.


Philip Sherringham

Philip Sherringham served as President and Chief Executive Officer of People’s United Financial Inc. (Financial Federal Corporation is part of People’s United) from February 6, 2008 to April 2010.

Mr. Sherringham served as Chief Executive Officer and President of People’s United Bank, a subsidiary of People’s United Financial Inc. from February 2008 to April 2010 and also served as its Chief Financial Officer. He served as an Acting Chief Executive Officer and Acting President of People’s United Financial Inc., since November 9, 2007 until February 2008 and also served as its Chief Financial Officer and Executive Vice President from 2003 to August 2008. He served as an Executive Vice President and Chief Financial Officer of United California Bank in Los Angeles. Mr. Sherringham joined United California Bank’s predecessor, SanwaBank California in 1993. Previously, he served as Chief Financial Officer of Citadel/Fidelity Federal Bank in Glendale, California from 1991 to 1993, and he served as Treasurer of Los Angeles-based CalFed Inc./California Federal Bank from 1989 to 1991. He served as Director of People’s United Financial Inc. from February, 2008 to April 2010. He has been a Director of Connecticut Business And Industry Association, Inc. since 2008. Mr. Sherringham holds an undergraduate degree from Paris University and is a graduate of Hautes Etudes Commerciales in Paris. He completed the International Management Program offered in cooperation by New York University, the London Business School and Hautes Etudes Commerciales.


Robert Spetzler

Robert Spetzler, MD, is a world-renowned neurosurgeon who specializes in cerebrovascular disease and skull base tumors. He has been involved in pioneering the technique of hypothermia and cardiac arrest for the treatment of difficult brain lesions. He has been honored many times by professional societies, including the American College of Surgeons and the Congress of Neurological Surgeons. In 1994, Dr. Spetzler was chosen to be the Honored Guest of Congress of Neurological Surgeons. At age 49, he was the youngest recipient of this prestigious honor.

Dr. Spetzler was born in Stierhoefstetten, Germany, and moved to the United States at the age of 11. He received his B.S. from Knox College in Galesburg, Illinois, and his Doctor of Medicine from Northwestern Medical School in Chicago. His postgraduate training was completed at Wesley Memorial Hospital–Northwestern in Chicago. He completed a residency in neurosurgery at the University of California – San Francisco. He received board certification in September 1979 from the American Board of Neurological Surgery.

He and his wife Nancy are both musicians and split their time between Jackson, California and Arizona.


Andrew Watson

After growing up in Chicago’s South Shore neighborhood, Andy attended college at the University of Wisconsin and graduate school at the University of Minnesota, majoring in math and engineering.

Now retired, he enjoyed a 30-year career as a consulting mechanical engineer in California and served as president of Syska Hennessy Group, the largest engineering firm of its type in the country, with offices in New York, Los Angeles, and other major cities.

Notable accomplishments under his leadership included firm-wide technology advancements, creating a strong client-service culture, designing sophisticated sales and marketing initiatives, and rebranding the firm as a broader based consulting company.

Andy resides in Wilson, Wyoming near Grand Teton National Park and in Tucson, Arizona. In Wyoming, he served on the Teton County Energy Board as they implemented a major energy reduction plan.

He is a board member and past board chair for True Concord Voices and Orchestra in Tucson Arizona and serves on the board of the Tucson Desert Song Festival. In retirement he utilizes the educational resources of the University of Arizona, attends many of Tucson’s and Jackson’s cultural events, and enjoys hiking,  golfing, skiing, bridge, and travel.

Mark Yockey

Mark L. Yockey, CFA, is a managing director of Artisan Partners and a portfolio manager on the Global Equity team. In this role, he is a portfolio manager for the Artisan Non-U.S. Growth, Non-U.S. Small-Cap Growth and Global Equity Strategies, including Artisan International, International Small Cap and Global Equity Funds.

Prior to joining Artisan Partners in December 1995, Mr. Yockey was the portfolio manager of the United International Growth Fund and vice president of Waddell & Reed from January 1990 through December 1995. Before assuming responsibility for the United International Growth Fund, Mr. Yockey was an analyst for Waddell & Reed from 1986 through 1989, specializing in the worldwide health care industry and international special situations. Earlier in his career, he was a health care analyst for the State of Michigan Retirement Fund for five years. Mr. Yockey holds a bachelor’s degree and a master’s degree in finance from Michigan State University. He completed one year of undergraduate work at the Université d’Aix-en-Provence in France. He also worked for the French bank, La Société Générale. He is fluent in French.

Mark and his wife Laura split their time between Jackson and San Francisco and have been Festival subscribers since 2015.


Emma Kail, Executive Director

Emma Kail joined Grand Teton Music Festival as Executive Director in September 2020 after serving as General Manager of the Kansas City Symphony for nearly a decade.

A lifelong musician, she previously held positions with the Alabama Symphony, Omaha Symphony, and the Humanities Division at the University of Chicago. In 2007, Emma was selected for the highly competitive Orchestra Management Fellowship Program of the League of American Orchestras. Over the 13-month fellowship, she worked in all aspects of management during Fellowship assignments with Aspen Music Festival, Pacific Symphony, and Atlanta Symphony.

Emma is a graduate of Interlochen Arts Academy and earned her bachelor’s degree in music from Indiana University’s Jacobs School of Music. Her Master’s degree is in trumpet performance from the Cleveland Institute of Music and she further pursued musical study at the Glenn Gould School of the Royal Conservatory of Music in Toronto, Canada and the Vienna Conservatory in Vienna, Austria.

At the Kansas City Symphony, Emma managed day to day operations, providing direction and leadership for the staff and their support of the orchestra in its acclaimed successes. She also oversaw key contract partnerships for the Symphony with both non-profits and corporations, including with Symphony in the Flint Hills, Kansas City Young Audiences, Edward Jones Investments and AdventHealth as well as other vital relations with the Kansas City Ballet, Lyric Opera of Kansas City and Kauffman Center for the Performing Arts.

Emma designed and booked all popular programming for the Kansas City Symphony, including the highly successful Pops Series, Special Concerts and Live Film + Orchestra events, all of which broadened the Symphony’s audience reach and contributed significantly to the organization’s financial stability. As Executive Producer of the Emmy Award-winning Bank of America’s Celebration at the Station, she increased the artistic and philanthropic boundaries for the event by creating meaningful partnerships on and off stage with veterans advocacy and support organizations.

Emma resides in East Jackson with her husband Jeff and their two sons, James (7) and Charlie (5).

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