Our Team

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​​​​​​​​​​​​​​​​​​Meet our mighty tea​m in the ​A​nn Arbor Office of Sustainability and Innovations! 

​OSI Introduction Video​​​​

​​​​​​Julius Alexander – Information Technology Liaison

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A lifelong Ann Arbor resident, Julius has worked for the City of Ann Arbor for over five years in the role of Application Specialist.  Julius has a master's degree in Engineering Management from Ea​​​​​stern Michigan University.  His work in the Office of Sustainability centers around technical problem solving, enhancing efficiency and data management.  He is thrilled to ​be a member of an enthusiastic group working toward the cause of Sustainability and Equity.  Julius enjoys spending time paddle boarding on the river, playing boardgames keeping bees and causing mischief with his 2 daughters in his spare time.​ [email protected]

Simi B​​arr - En​​ergy Coordinator​

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Simi recently fnished graduate sc​hool at the University of Michigan, where he studied Sustainable Systems and Space Systems Engineering. As a Fellow with OSI, he worked on various projects including the A2ZERO Plan and EV charging within Ann Arbor. Out​​​side of work, he enjoys spending time in Ann Arbor's Parks, hiking, playing guitar, and ice hockey. [email protected]​​v.org​

Galen Har​​dy – Commun​ity​ Engag​​em​​ent ​​Specialist 

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Galen comes from Zero Waste Detroit​ where he served as the Education and Outreach Coordinator promoting recycling.  Galen is also an honorably discharged Marine Corps veteran and has over 7 years of community organizing experience. He earned his Bach​elors of Science Degre​e in Health Administration from Eastern Michigan University and his Masters of Public Administration degree from Oakland University. Galen joined the City of Ann Arbor in 2019 and serves as the Community Outreach and Engagement Specialist working specifically with residents and traditionally underserved populations. [email protected] 

Joe Lange - Energy Coordinator


Joe focuses on the design, implementation, and development of various energy-related programs in the Office of Sustainability and Innovations. Prior to joining the City, Joe worked with scientists, local governments, and wildlife managers across Indiana to prepare for environmental change. Joe has a Masters in Environmental Science and an MPA from Indiana University, and a BA in Environmental Policy from Michigan State. In his free time, he enjoys wildlife watching, hiking, and spending time with his cats. ​[email protected]

Hannah Loftis - Community Sustainability Coordinator​

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Hannah supports the design, implementation, and development of energy-related programs in the Office of Sustainability and Innovations. B​efore joining the city, she planned and designed storm system improvements for municipalities across Tennessee. Hannah has a Bachelor of Science degree in Civil Engineering from the University of Tennessee Knoxville. In her free time, Hannah enjoys watercoloring, reading, and practicing yoga. [email protected]

S​ean Reynolds ​– Community S​​ustainability Coordinator ​​

Sean is working on various resilience-related projects in the City, and runs the 10,000 Trees Initiative - a program aimed at getting trees planted on private property. He has prior urban forestry experience through Casey Trees, a non-profit in Washington, DC. Sean h​as an M.S. degree in Forestry from Auburn University. Originally from Maryland, he moved to Ann Arbor in December 2020 and is excited to e​xplore the natural beauty of Michigan and to share his passion for trees with the Ann Arbor community. In his spare time, he enjoys hiking, reading, and cooking.​ [email protected]

Juli​e Roth – Senior Energy A​​nalyst

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Julie is the Senior Energy Analyst in the Office of Sustainability and Innovations, and her work focuses on the creation, implementation and management of programs to facilitate community-wide adoption of solar, building electrification and efficiency. Julie ​has a BA in Biology fr​om Kenyon College, and MPT from the University of Iowa. She has lived in Ann Arbor since 1994 and is a passionate green energy advocate, community organizer, educator, and liaison between the technical sector and the community. ​ [email protected]

Christine Sch​​opieray – Manage​ment Assistant

Christine served as the Executive Assistant to the Mayor for 14 years before transferring to the Office of Sustainability & ​​Innovations to provide coordination and management assistance. She has a BFA in Metalsmithing/Jewelry Design, and s​he is a vendor at the Ann Arbor Farmers Market. [email protected] 

​​​Missy Stults, PhD – Sustainabilit​y and​​ Innovations Director

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Dr. Missy Stults is the Sustainability and Innovations Director for the City of Ann Arbor. In this role, she works with all city operations, residents, businesses, the University of Michigan, nonprofits, and others to make Ann Arbor one of the most sustainable and equitable cities in America. Prior to joining the City, Missy worked with local governments and indigenous ​​communities around the nation to advance their climate and sustainability goals, including during her time as the ​Climate Director at ICLEI-Local Governments for Sustainability and as a consultant to philanthropic organizations. Missy has a PhD in urban resilience from the University of Michigan, a Masters in Climate and Society from Columbia University, and undergraduate degrees in Marine Biology and Environmental Science from the University of New England. [email protected]  

​​Zach Waas Smith – Community Eng​​​a​​gement Specialist, Sustainable Development 

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An Ann Arbor-area native, Zach focuses on incorporating sustainability into our City’s Building and Planning Departments and beyond. With ​degrees in Environmental Sustainability and Urban Planning from Western Michigan University, Zach works to collaboratively engage landlords, tenants, contractors, developers, and City Inspectors on the most sustainable practices available today. His prior work experience includes community organizing, non-motorized transportation advocacy, contracting, property maintenance, and the City’s Rental Housing Department. When not at work, Zach enjoys simple​ woodworking, bicycling and rollerblading, house projects, meditating, and spending time connecting with the natural environment. [email protected] 

Jennifer Wolf - Aging in P​​​​lace Efficiently Coordinator​

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Jennifer grew up playing in the Huron River and is passionate about freshwater resources and sustainable practices, having implemented the Huron River Watershed Council's Information and Education Campaign for Nonpoint Source Pollution Prevention. She also teaches fine art to seniors and enjoys building community while celebrating each student's capacities and talents​ in a supportive environment.  She is thrilled to be part of the OSI team, combining equity and climate resiliency to forge a better future for all residents. Jennifer's “heart home" is on the shores of Lake Superior with her family, including their beloved rabbit, Flash. [email protected]

​Fang Wu, MBA - Community Energy Manager

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Fang focuses on the research, development, implementation, and management of energy programs to reduce community-wide greenhouse gas emissions for the City. Prior to joining the City, Fang worked with the State Utility Forecasting Group and performed policy studies, resource planning and load forecasts for Indiana Utility Regulatory Commissi​on and utilities. Fang has an MBA from​ Krannert School of Management, Purdue University, and a Master in applied economics from the University of Minnesota. When not at work, Fang enjoys reading, hiking, and camping. [email protected]​a2go​v.​org

Thea Yagerlener – Energy Analy​​st 

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Thea focuses on the design, implementation, and development of energy-related programs in the Office of Sustainability and Innovations. They work ​to develop our community’s greenhouse gas inventory to inform data-driven programs to reduce our com​​​munity’s emissions. Thea has a BS in Chemical Engineering from Case Western Reserve.  After growing up in Ann Arbor with a passion for climate action, they're happy to be helping their community on the pathway towards car​bon neutrality. They enjoy climbing, cycling, practicing yoga, and e​xploring the great outdoors while practicing leave no trace principles. [email protected]