Show Contributors

Public Health

Will Humble

Will Humble is a long-time public health enthusiast and is currently the Executive Director for the Arizona Public Health Association (AzPHA). His 40 years in public health include more than 2 decades at the Arizona Department of Health Services, where he served in various roles including as the Director from 2009 to 2015.  He continues to be involved in health policy in his role as the Executive Director for the Arizona Public Health Association.  He has a BS in Marketing from NAU, a BS in Microbiology from ASU, and an MPH from the University of California at Berkeley.  He was awarded an Honorary Doctorate of Science from the U of A for engaging partnerships between academic and executive public health. Will is a believer in using evidence-based health policy to improve health outcomes and in leading and managing with emotional intelligence.

Washington D.C./Governmental Affairs

Terry Bracy

Terry Bracy whose unique role in representing Tucson’s interests
began with a 10-year stint on the staff of famed Congressman Mo
Udall. Terry was then appointed to the sub cabinet by President Carter and subsequently served under four Presidents of both parties. He is the Founding Partner of the respected public affairs firm Bracy Tucker Brown which has worked on many of Tucson’s successes in the Nation’s Capital.


Keith Rosenblum

Keith Rosenblum is former Senior Border Reporter for the Arizona Republic and former Sonora Correspondent for the Daily Star. Keith served as press secretary for more than two years for Rep. Jim Kolbe, R-AZ, retired. Keith is founder of the website MexLink, which connects Americans to industry, government and media in Mexico. He is author of a book analyzing the New York Times stories (1997) about a former governor, and now senator, of Sonora state, Manilo Fabio Beltones.


Sheldon Fishman

Sheldon (Shelly) Fishman is a Financial Consultant in private practice, located in Tucson, Arizona. Shelly holds a BA from City University of New York, an MBA from Fordham University and a post-graduate Certificate in Finance and Capital Budgeting from Wharton. Shelly has served on several boards of directors in Tucson and is a former managing director of the Dublin Internet Exchange and PAIX-Dublin. Shelly’s client business is exclusively entrepreneurs and investors, helping them plan and manage their financial growth.

Securities offered through LPL Financial and its affiliates, member FINRA ( and SIPC ( (The LPL Registered Financial Representative associated with this site may only discuss/transact securities business with residents of Arizona, California and New York.) Bill Buckmaster is not affiliated with, nor endorsed by, LPL Financial or Sheldon Fishman.


Dr. David Levy

Dr. David Levy is one of the most successful comet discoverers in history. He has discovered 23 comets, including his co-discovery of Shoemaker-Levy 9, the comet that collided with Jupiter in 1994 producing the most spectacular explosions ever witnessed in the solar system. An Emmy award winning writer, Dr. Levy is author or editor of 35 books and other products. The former Parade Magazine Science Editor, Dr. Levy, along with his wife Wendee, are founders of the National Sharing the Sky Foundation, an organization intended to inspire new generations to develop an inquiring interest in the sciences, or in other words, to reach the stars.

Space Exploration

Dr. Mark Sykes

Dr. Mark Sykes is CEO and Director of the Planetary Science Institute, a Tucson-based non-profit engaged in the exploration of the solar system. He is the founder and co-editor of the weekly Planetary Exploration Newsletter, the former chair of NASA’s Small Bodies Assessment Group, and serves on the Planetary Science Subcommittee of the NASA Advisory Council. He discovered cometary dust trails, identified bands of interplanetary dust arising from asteroid collisions, and determined the temperature of Pluto. He is involved in the development of uses for commercial human space flight. “Minor planet 4438 Sykes” is named in his honor and he is the recipient of the Masursky Award for meritorious service to planetary science.”


Jeff Latas

Captain Jeff Latas is one of the most adept professionals in the aviation industry. Jeff has acquired a vast experience in his professional career, military and civilian, that includes Chief of Flight Evaluation, Accident Investigation (USAF Board President), and Weapons Development and Requirements, USAF Headquarters, Pentagon. In 1996, he was selected to represent the USAF in the Quadrennial Defense Review, a Presidential review of the state of the US Military. A retired combat fighter pilot with experience in the F-15E, F-111 and T-38. In his USAF career Jeff was honored with the Distinguished Flying Cross for Bravery, four Air Medals, three Meritorious Service Medals, and nine Aerial Achievement Medals. Jeff retired after twenty years as a Captain at JetBlue Airways in the Airbus A320/321 with nearly 20,000 hours of accident-free flight experience. He is type rated in the A320/321, B-737 and is a consultant of Aero Consulting Experts.


Victoria Maizes, M.D.

Dr. Victoria Maizes is the Founding Executive Director of the Andrew Weil Center for Integrative Medicine and is a Professor of Medicine and Public Health at the University of Arizona.  Internationally recognized as a leader in integrative medicine, Dr. Maizes is committed to helping individuals live healthier lives and pioneering change efforts that solve US health care system challenges. Together with her team at the Center, she created and implemented educational programs that have trained thousands of physicians, nurses, and other health professionals and impacted the care of millions of people. A highly sought-after speaker, she is the editor of the Oxford University textbook Integrative Women’s Health and the author of Be Fruitful: The Essential Guide to Maximizing Fertility and Giving Birth to a Healthy Child. She co-hosts (with Dr Andrew Weil) the popular podcast Body of Wonder and was named one of the world’s 25 intelligent optimists by ODE magazine. You can find her on the website and follow her on X at @DrMaizes.


Bill Doelle

Bill Doelle is the founder of two Tucson-based organizations dedicated to respectfully exploring the Southwest’s past and sharing that story with everyone. Doelle is the former President and CEO of Archaeology Southwest, a 501 (c)(3) nonprofit that practices Preservation Archaeology, a holistic approach to research, advocacy, site protection, and public outreach. He also serves as Vice President of Desert Archaeology, Inc., a woman-owned small business that offers cultural resources compliance, research, and consulting services. Bill brings meticulous care and scholarship to the study of the region’s deep heritage, and he advocates for preserving important places as a legacy for the nation’s future.



Zack Guido

Dr. Zack Guido is an assistant research professor at the Arizona Institute for Resilience (AIR) which coordinates interdisciplinary groups of faculty, students and projects across the University of Arizona’s campus from climate science to public policy, law, the arts and water resources. 



Jeffrey Silvertooth

Dr. Jeff Silvertooth is the Buckmaster contributor on agriculture. Dr. Silvertooth is a professor and extension specialist in agronomy and soil science at the University of Arizona department of environmental science. His responsibilities include leading a program directed towards the development of irrigated crop production management strategies that optimize the soil-plant system agronomically and economically with full consideration of the short and long term impact of inputs environmentally. Professor Silvertooth is a fellow for both the American Society of Agronomy and Soil Science Society of America .


Dan Shearer 

Dan Shearer is editor of the Green Valley News and the Sahuarita Sun, two communities that have responded to a focus on local issues and where the audience continues to grow. He is also editorial director of Wick Communications which owns thirty newspapers in ten states.  He has worked in Texas, California and Arizona, including more than 20 years at The Arizona Republic, where he was a senior editor. He currently resides in Sahuarita.

Dylan Smith

Dylan Smith is the editor and publisher of, a  independent nonprofit local news organization founded when the presses stopped rolling at the Tucson Citizen (where he was the Online Editor). Beyond journalism, he is an experienced Internet designer and programmer, and serves on the World Wide Web Consortium’s HTML Working Group. He comes from a long line of journalists; his great-grandfather began work as a reporter fresh from high school in 1900. Despite his long heritage in print journalism, he’s a firm believer in the power of the Internet to inform and inspire like no other medium for reporting.

Jim Nintzel

Jim Nintzel covers politics for the Tucson Sentinel, an online news agency based in Southern Arizona. Prior to joining the Sentinel, Nintzel spent more than three decades as a reporter and editor with Tucson Weekly, covering politics, science and rock ’n’ roll. He has been named a journalist of the year by the Arizona Press Club and the Arizona Newspaper Association and has won more than 50 state and national awards for his work. He has previously worked for the local PBS affiliate, hosting a weekly political roundtable, and has appeared on CBS, ABC, CNN and other national news networks as well as various NPR affiliates. He taught government reporting at the University of Arizona Journalism School for more than 15 years.



Mitch Tobin 

Mitch Tobin is director of the Water Desk, a new journalism initiative at the University of Colorado Boulder that focuses on Western water issues and the Colorado River Basin. From 1998 to 2006, Mitch covered water, environmental, and other issues for the Napa Valley RegisterTucson Citizen, and Arizona Daily Star. His 2010 book, Endangered: Biodiversity on the Brink, analyzes the impact of the Endangered Species Act and won a gold medal in the Independent Book Publisher Awards. After leaving the newspaper business and with the help of philanthropy, Mitch created to track environmental trends in the American West and to analyze public opinion on water issues.

Weekend Watch

Dan Gibson

Dan Gibson is the director of communications for Tucson Medical Center. Previously, he was senior director of communications at Visit Tucson, editor of the Tucson Weekly, a music journalist (for Apple Music, Gawker and elsewhere), the manager of a bakery, and a graphic designer for publications including California Tomato Grower and Mini-Storage Messenger. He has a taco named after him, is a four-time game show contestant, and the co-founder of the amateur intergenerational dance troupe, Beat on the Street.

Wildcat Sports

Troy Hutchison

Troy Hutchison is a staff writer for after previously serving as reporter at All Sports Tucson. A ninth generation Tucsonan, Hutchison has covered University of Arizona athletics and local high school sports since 2018.



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Ryan Hansen is President and Chief Operating Officer at Bon Voyage Travel.  Leading the day-to-day operations of one of the premier travel agencies in the southwest provides Ryan an inside perspective to the latest trends in travel, hottest destinations, most unique experiences, and evolution of the travel industry.  Established in 1976, Bon Voyage Travel specializes in customized vacation planning for all types of travel, including land tours, cruises, luxury, family, group, and adventure experiences. Ryan currently serves on the Board of Directors for the Signature Travel Network, a member-owned cooperative comprised of more than 450 travel agency locations and 6,000 consultants that collectively generate $7 billion in annual sales.


Donald A. Loose

Donald A. Loose is the managing partner at Loose Law Group. His areas of practice include civil and commercial litigation, construction law, business law, real estate, trusts and estates, personal injury, and wrongful death. Loose is a member of the state bars of Arizona and Michigan.  He is a frequent contributor to radio and television shows on various legal topics. Loose is the author of  two books, Arizona Laws 101: A Handbook for Non-Lawyers and Estate Planning in Arizona: What You Need to Know, and co-author of The Use of OSHA Regulations in Negligence Cases.


Robert Hendricks

Dr. J. Robert Hendricks is a lifelong educator. He served as Superintendent of the Flowing Wells School District and associate professor emeritus and Associate Dean of the University of Arizona College of Education. A former Arizona Superintendent of the Year, he remains active in the Tucson community.He is currently president of the Interfaith Community Services (ICS) Board of Directors. ICS partners with over 120 faith communities serving more than 52,000 individuals each year. The organization offers multiple programs that assist those facing food hardship, job loss, and financial crisis.


Ken Scoville

A native Arizonan,  Ken Scoville has been a teacher in Tucson for many years and has written extensively and is active in public speaking about Tucson’s history. He is a recognized local historian and outspoken advocate for historic preservation issues and has served on many local boards and committees. Since 1984, he has been involved with the revitalization of downtown Tucson and historic preservation issues in the community. Since that time he has also conducted walking tours of historic areas in Tucson with an emphasis on understanding why Tucson is the city it is today.

Faith & Spirituality

Fr. Robert Hendrickson

Fr. Robert Hendrickson is the Rector of Saint Philip’s in the Hills Episcopal Church in Tucson, Arizona.  He came to Saint Philip’s after serving for three years as the Sub-Dean and Acting Dean of Saint John’s Cathedral in Denver.  Prior to that, he served as Curate and Missioner at Christ Church, New Haven, CT, and St. Hilda’s House in New Haven, CT from 2006 to 2013. He is the author of Yearning: Young Adults, Mission, and the Church.  Before ministry, he was Corporate Communications Director for Brooks Brothers in New York City.  He holds a Master of Divinity from The General Theological Seminary with undergraduate work at the University of Mississippi and Cornell University, focused on East Asian Peace and Security, and additional studies at Beijing Foreign Studies University in China.  He blogs and publishes regularly and serves as a consultant on generational  transitions with several bodies and institutions.