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Grand Canyon Conservancy

Staff

Grand Canyon Conservancy's team is made up of dedicated, passionate, and mission-driven people who love Grand Canyon National Park. 

Grand Canyon Mather Point Sunset
About Us
About Us

Our Leadership Team

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Susie Huhn

Interim CEO

Susie Huhn is the former CEO of Casa de los Niños, a nationally accredited child welfare and behavioral health nonprofit, where she significantly increased the organization's impact, growing its budget by 77%. She holds a specialized interim CEO certification, and her strengths include program and board development, strategic planning, finance, fundraising, and community relations. 

"I am pleased to serve as the Interim CEO of GCC," said Huhn. "I will continue the organization's work with our committed executive leadership team, staff, and board to remain focused on upholding GCC's mission to preserve and protect Grand Canyon National Park and advance our shared goals."

Bonnie Baker headshot

Bonnie Baker

Chief Philanthropy Officer
As the Chief Philanthropy Officer, Bonnie leads the Conservancy's fundraising efforts. She and the Philanthropy staff work to connect people with a passion for Grand Canyon to the projects and programs that are preserving Grand Canyon and enhancing the visitor experience. Bonnie has over 20 years of non-profit and fundraising experience ranging from community organizations to large university foundations. A lifelong traveler and adventurer, she became a fan of Grand Canyon when she first moved to Flagstaff in 2005. Bonnie takes great pleasure in introducing people to the many wonders of the park, and sharing the joy of giving.
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Katrina Bloemsma

Chief Operating Officer

Katrina is energized when working at the intersection of mission and business. She most recently served on the leadership team for REI Experiences, a division of REI Co-op, where she led transformation of their operating model to increase customer and engagement and drive profitable growth. Previously, Katrina has worked testing and scaling new business models, leading dispersed operations teams, and as a high altitude mountain guide at National Parks across North and South America. She first visited the Grand Canyon as a child on an overnight trip to Phantom Ranch. The experience ignited a lifelong passion for connecting people with time outside and helping to protect and steward public lands. Katrina loves to backcountry ski, mountain bike, hike, and surf, and finds great joy in sharing time outside with others.

Darin Geiger

Darin Geiger

Director of Operations
Darin joined Grand Canyon Conservancy in 2018. He brings with him 30 years of retail experience, spanning a wide range of disciplines, including management positions in operations, merchandising, buying, product development, and e-commerce. Darin’s first trip to the canyon was a river trip 20 years ago, and in his free time today, you’ll most likely find him on a trail somewhere below the rim or visiting one of Grand Canyon Conservancy’s eight retail locations to thank the hard-working and passionate staff who serve Grand Canyon’s visitors year-round. "Being involved with a mission-focused organization is extremely fulfilling, both personally and professionally."
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Minyin Hart

Chief Financial Officer
Minyin started her career as an auditor with a regional CPA firm in Maryland, specializing in auditing not-for-profit organizations. She attained the position of audit team lead manager for the not-for-profit industry. Through her experience working with various not-for-profit organizations she has gained a deeper insight into the industry, its policies, and business processes. After leaving the auditing field Minyin joined Catholic Relief Services where she collaborated with regional offices around the world to review and analyze consolidated financial statements and ensured quality control over financial transactions and reporting. She is a Certified Public Accountant, Certified Management Accountant, Certified Fraud Examiner, and holds a B.S. in Accounting. Minyin moved to Arizona in the summer of 2019, and quickly became enamored with the spectacular landscapes of the Desert Southwest. She loves traveling with her family, enjoys outdoor activities, and spending time under the dark northern Arizona skies.
Mindy Riesenberg web

Mindy Riesenberg

Chief Communications Officer

Mindy has over 25 years of experience as a marketing and communications executive and has lived and worked across the United States. Much of her career was spent in marketing leadership positions at major art museums, including the Kimbell Art Museum (Fort Worth, Texas), the Walters Art Museum (Baltimore, Md.), and Phoenix Art Museum. Prior to joining Grand Canyon Conservancy in 2017, she worked with the Center for the Future of Arizona, developing content for “The Arizona We Want” vision, and wrote and reported stories for Cronkite News, covering the topics of borderlands and sustainability. Mindy has a B.A. in journalism from San Diego State University, a master’s degree from ASU’s Walter Cronkite School of Journalism and Mass Communication, and a certification in Digital Marketing from the American Marketing Association. She is a graduate Fellow of Leading for Change Arizona and has been a featured speaker on the topic of nonprofit marketing for the American Marketing Association, American Association of Museums, the Andy Harvey Indigenous Youth Media Workshop, and many universities across the country. In her free time, Mindy is a professional singer who loves to ski, hike, travel, read, and spend time with her dogs, Annie and Roxie.