Patrick Tennyson, President and CEO

Patrick is the President and CEO of the Butterfly Pavilion in Westminster, Colorado, and has been with the Butterfly Pavilion since June of 1999 and has been the organization’s President and CEO since 2010.

Patrick has a Master’s degree in Nonprofit Management from Regis University. He has a B.S. in Zoology and a Minor in Chemistry from Metropolitan State College. Patrick has been involved in environmental education and conservation since 1987, including over five years as an Interpretive Naturalist and nearly six years in youth and adult education program management. Patrick has dedicated over 20 years to professional leadership, administration and strategic planning. His leadership contributions include board and staff development, cultural and organizational innovation, responsible financial oversight and growth through fundraising and community collaborations.

He is actively involved with a number of environmental conservation awareness groups. He served on the board of Colorado Alliance for Environmental Education (CAEE) for over eight years, including a two-year term as Board President. Patrick is currently a board member of the Broomfield Open Space Foundation and is presently serving his second four-year term on the Broomfield Open Space Advisory Council. He is a member of the Governance Committee of 36 Commuter Solutions, and in 2010 he was appointed by the City Council as a member of the Broomfield Sustainability Task Force creating the City of Broomfield’s Sustainability Plan.

Janet McFarland Burlile, VP of Donor Relations

Janet McFarland Burlile is an accomplished non-profit leader and has more than 23 years of leadership and fundraising experience, working for some of Denver’s most notable cultural institutions

Janet McFarland Burlile is an accomplished non-profit leader and has more than 23 years of leadership and fundraising experience, working for some of Denver’s most notable cultural institutions. Her experience includes the Mesa Verde Foundation, History Colorado, Denver Botanic Gardens and Denver Zoo, where she led the successful campaign for Toyota Elephant Passage.

“Janet brings proven experience in securing major gifts and has a successful track record of designing and implementing successful high-level development programs,” said Tennyson. “These skills and her proven leadership abilities will be instrumental to complete this capital campaign and elevate Butterfly Pavilion’s status as a zoological organization engaged in invertebrate research and conservation projects around the world.”


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Mary Ann Colley, Chief Operating Officer

Mary Ann Colley has been with Butterfly Pavilion since 2002 and began her work as VP of Science and Conservation in 2010 and Chief Operating Officer in 2020. She provides oversite for all Butterfly Pavilion operations while focusing specifically on Science and Conservation, Retail and Facilities.

Mary Ann grew up in south Texas where she found her love for invertebrates. She received a Bachelor’s of Science in Bioenvironmental Sciences and Entomology in 2001 from Texas A&M University, College Station. In 2010, she received her Master’s degree in Education – Curriculum, Instruction, and Assessment from Regis University, Denver, CO. Over her tenure with Butterfly Pavilion she has consulted on three NASA space shuttle missions, 2008-2011, for life science experiments with butterflies and spiders on the International Space Station. She led Butterfly Pavilion through the Association of Zoos and Aquariums accreditation process, awarded in 2014 and 2019; Butterfly Pavilion is the only standalone AZA accredited invertebrate zoo in the world. She collaboratively formed the Colorado Pollinator Network in 2016 and continues to chair this statewide network, now supporting an annual Pollinator Summit. Mary Ann oversees the growth of Butterfly Pavilion’s science, research, and conservation programs focused on invertebrate breeding with an emphasis on welfare and sustainable populations, as well as Butterfly Pavilion’s Pollinator Awareness through Conservation and Education initiative, which focuses on habitat restoration, monitoring and pollination work. She oversees the Leading Environmental Action for Sustainability (LEAFS) program, and is dedicated to bringing a unique perspective to sustainable business by supporting habitat and invertebrate conservation through innovative concepts like butterfly farming and beekeeping. Mary Ann also serves as affiliate faculty and mentor to graduate students in the Department of Biology’s Professional Science Master’s in Zoo, Aquarium and Animal Shelter Management at Colorado State University, Fort Collins, CO.


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Bill Finley, Chief Financial Officer

With over 20 years of experience in the non-profit sector, Bill Finley is a dedicated project manager specializing in financial accounting.

Bill brings over 20 years of experience in the non-profit sector working at summer camps, managing social service programs and leading addiction treatment programs. His career led him from program management to financial oversight and accounting because “budgets are fun.” Bill joined Butterfly Pavilion after serving as the CFO for The Salvation Army in Alaska, and as the Finance and Operations Director at the National Ski Patrol. Bill holds a Masters in Non-profit Management from Regis University. Bill is an Eagle Scout and is passionate about creating a sustainable and diverse world for future generations.


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Russ Pecoraro, VP of Marketing and Communications

Russ Pecoraro brings extensive experience in marketing and public relations to Butterfly Pavilion.

He previously served as Director of Mountain Communications for Vail Resorts and Director of Communications for Heavenly Mountain Resort at Lake Tahoe. He also managed high-tech accounts for The Hoffman Agency, a global public relations firm in San Jose, California. Pecoraro graduated from Santa Clara University with a degree in communications. Pecoraro, his wife, Lindsay, and kids, Mia and Dominic, have been Butterfly Pavilion members since 2013.


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Hannah Weiss, VP of Education and Community Engagement

Hannah Weiss is an experienced informal educator and STEM communicator who is passionate about uniting communities with hands-on learning opportunities.

Hannah is a devoted STEM communicator who has spent over a decade in parks, zoos, aquariums, children’s museums, and science museums, working to engage people of all ages in the joy and wonder of STEM. She has an undergraduate degree in biology with a mathematics minor from the University of Rochester and a graduate degree in education from Radford University. Her career has brought her all over the country and has had her working everywhere from the beach to mountaintops and in classrooms and labs of all sizes. Outside of her work in STEM, Hannah is an unrepentant geek with a love of all things pop culture. You can often find her working to join these two passions either through contributions to Cosplay for Science or in her subtle nods to a well-known bus driving science teacher through her expansive STEM wardrobe. After all, what fun is science if it doesn’t take chances, provide the room to make mistakes, and get at least a little messy.


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