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Michael
A native Tucsonan, Michael’s twenty-two-year professional career has primarily centered on political strategy, business development and advocacy, and organizational management. He actually enjoys politics and policy (early in his career he was Chief-of-Staff to Tucson City Council Member Fred Ronstadt) and leads the Chamber’s local government affairs and initiatives. Between trying to reduce government intrusion into business and advancing talent development and attraction, Michael is committed to making Tucson a great place to live, work and play.
Hobbies:
Ice hockey goaltender, classical guitar, painting (mainly in the form of duplicating Rothkos and Thiebauds), live music, travel
Fun fact:
Michael was named the Official Scorer for the Tucson Padres AAA Baseball Club from 2011 – 2013. The team moved to El Paso in 2014.
MICHAEL GUYMON
President & CEO

Carrie
Carrie is an outdoors girl most comfortable wearing jeans, cowboy boots and riding her horses. She relocated to Tucson from Bend, Oregon, 16 years ago with her husband and two children, to enjoy the beautiful Arizona desert and sunshine. Left behind in Oregon were her eclectic jobs of farming, banking, jeweler, owner of a floral shop and a tile manufacturing company.
Hobbies:
Horseback riding, running, traveling
Fun Fact:
Carrie broke her finger while trying to kill a spider.
CARRIE GILCHRIST
Vice President of Membership Relations

Zach
ZACH YENTZER
Vice President of Business Advocacy
INVESTOR RELATIONS

David
David is a proud Navy veteran that worked in Radio Communications/Intelligence before moving to Tucson. He attended Arizona State University and received a degree in Political Science. He has worked assisting veterans since getting out of the Navy, including his most recent position in which he helped a local veteran-owned brewery expand statewide. He knows several small business owners around town as well as across the state and looks forward to helping them all achieve success.Â
Hobbies:
Traveling, attending sporting events, spending time with his lovely wife and golden retriever.
Fun Fact:
He has attended a college or professional sporting event in 35 U.S. States.Â
DAVID A. BOWERS
Regional Partnership Specialist

Mellissa
Melissa is a Tucson transplant with a passion for the city and its people. She has a background in political science and public health and has dedicated her career to advocacy and community engagement.
Melissa started her career working for non-profits, where she advocated for policies that promote health, equity, and opportunity for Arizona residents. In 2018, she began freelance marketing to promote local businesses and initiatives in Tucson. In 2020, she joined state agency, First Things First, where she implemented communications and engagement strategies within indigenous communities to further workforce development and economic growth through investment in early education.
Melissa is passionate about using her expertise to elevate the voices and stories of Tucsonans. She is committed to working with people from all walks of life to create an equitable and thriving business environment in Tucson.
MELISSA ROSCIANO
Communications and Marketing Manager

Magen
MAGEN HOWARD
Business Advocacy Manager

Lucinda Del Rincon
LUCINDA DEL RINCON
Events and Program Coordinator

Diana
DIANA CORTEZ
Office Administrator

Tammy
Tammy landed in Tucson at an early age as the result of her father’s military transfer to DMAFB. After graduating from the University of Arizona she worked behind the scenes for a local architecture firm for 10 years before moving into the property management arena. In 1999, Tammy joined the Chamber team.
Hobbies:
Gardening, travel, basket weaving, crafts
Fun Fact:
WHEREAS Tammy has assisted with more than 1,000 ribbon cuttings, she is literally comfortable running with scissors!
TAMMY JENSEN
Member Services Manager
CREATIVE

DavidÂ
David is from Los Angeles, California, although he lived in Mexico for a couple of years before moving to Tucson for the heat and the saguaros. He graduated from Pima Community College with a degree in graphic design and multimedia. A wonderful serenity has taken possession of his entire soul, like these sweet mornings of monsoon which he enjoys with his whole heart.
Hobbies:
Drums, guitar, skating, working out, Gameboy, running
Fun facts:Â |
David recorded his band’s demo in a random house near Tucson High Magnet School.
DAVID LONG
Creative Manager