Landscape Services Team

Jim Carse
Manager, Landscape Services
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Jim has spent over 20 years in the tree care and landscape profession. He was promoted to manager in 2017 after serving as the assistant manager with Landscape Services at UT Austin since 2011. In this role he has overseen the forestry team and the Tree Campus USA program as well as landscape maintenance at the J.J. Pickle Research Campus and West Pickle Campus. Prior to joining UT, he served as an urban forester for the Texas A&M Forest Service, and as an arborist with the City of Round Rock. Jim is a forestry graduate of Colorado State University, and an International Society of Arboriculture (ISA) certified arborist and municipal specialist. He is also a Texas Licensed Irrigator. He is a past president of the ISA Texas Chapter and a member of the Professional Grounds Management Society (PGMS).

Luis Garza
Assistant Manager, Irrigation & Installation
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Luis has over 30 years of experience with landscape management at The University of Texas at Austin. He is a member of the Irrigation Association, Professional Grounds Management Society, and Texas Nursery and Landscape Association.

Lisa Lennon, ALSA, PLA
Landscape Architect, Operations
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Lisa has over 20 years of combined experience in horticulture and landscape architecture. She is a licensed Professional Landscape Architect and member of the American Society of Landscape Architects. She holds a B.S. degree from The University of Texas at Austin, an M.S. degree in horticulture from Tarleton State University, and an M.L.A. degree from the University of Arizona. Prior to the joining Facilities Services at the University of Texas, Lisa worked at Ten Eyck Landscape Architects and for the consulting firm, Bury (now Stantec) as a landscape designer, where she developed her proficiency in sustainable and maintainable designs. Her skills include landscape construction/administration and maintenance, commercial and residential landscape design, and urban entomology.

George “Randy” Ellis
Landscape Supervisor, J.J. Pickle Research Campus
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Randy comes to UT from a construction background, with 15 of those years in new construction landscaping. Randy started at The University of Texas with Landscape Services in 2011 as a senior landscape technician. He became a crew leader in 2013 and is now the landscape supervisor at the J.J. Pickle Research Campus. He is a Texas licensed Pesticide Applicator, a City of Austin Grow Green Landscape Professional, a Williamson County Master Gardener, and a member of Texas Nursery and Landscape Association.

Justin Hayes
Landscape Supervisor, Medical District
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Justin Hayes has been in the landscaping industry for 20 years. Starting at UT Austin in 2008 as a gardener, he worked his way up to crew leader and eventually supervisor of the SITES Gold certified Dell Medical District landscape. He and his team won the Texas Turf Association's “Best Turf in Texas” contest in 2012 for their work on the campus' University Avenue landscape. He received his National Organic Farmers Association (NOFA) Organic Land Care Accreditation in 2017. In addition, he is Grow Green certified as well as Level 3 certified through the Native Plant Society of Texas. He also serves on the UT Staff Council.

Markus Hogue
Program Coordinator, Irrigation & Water Conservation
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Markus Hogue is a licensed irrigator and auditor for the State of Texas. He has more than 16 years of landscape experience and over 10 years of irrigation experience. He is involved in projects from design and implementation to maintenance, and was instrumental in the installation and set-up of the university’s new automated irrigation system on the Main Campus. Markus holds a degree in information technology from the University of Texas at Arlington. He also serves on the Texas Water Advisory Council as an alternate for Landscape, Irrigation, and Horticulture.

Jennifer Hrobar
Supervisor of Urban Forestry
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Jennifer Hrobar has ten years of experience in urban forestry. She is an International Society of Arboriculture (ISA) Certified Arborist Municipal Specialist and is ISA Tree Risk Assessment qualified. She earned her bachelor's degree in urban forestry from Texas A&M University in 2004. Prior to joining the university she was a plant health care and forestry events crew leader for the South Suburban Parks & Recreation department in Centennial, Colorado for seven years.

Ty Kasey
Horticulturalist
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Ty Kasey has over 20 years of landscape design and installation experience and over five years of greenhouse experience. Ty is a sixth generation Texan and second generation Longhorn, born and raised in Austin. Prior to working at UT he designed landscapes for high-end residential landscape companies for 10 years in the Austin area. He graduated from The University of Texas in 2000 with a Bachelor of Arts in botany. Ty received his Master of Landscape Architecture degree in 2005 from the College of Environmental Design at Cal-Poly Pomona. Ty is a licensed chemical applicator and formally a licensed irrigator. He plans to begin testing to become a licensed Landscape Architect this year. Ty has assumed the role of unofficial landscape historian for The University of Texas, personally amassing an extensive collection of old books pertaining to the campus. He has eagerly jumped at opportunities to lead landscape tours of the campus covering topics from the natural to the historic. Ty has participated or been affiliated with the Professional Grounds Management Society, Grow Green, University Landscape Managers Association, Texas Nursery & Landscape Association, Nature Conservancy, Big Sur Land Trust, Carmel River Parkway Plan, Waller Creek Framework Planning Group and others.

Mike Klemmer
Landscape Supervisor, West Campus
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Mike Klemmer has over 24 years of experience in landscape management. Prior to joining the university, he worked at the University of North Carolina at Charlotte as a grounds supervisor II for nearly eight years. Prior to that, he worked at Texas A&M University as a landscape maintenance section leader, and at other institutions as landscape superintendent, manager of community & landscape maintenance, and site superintendent at the Massachusetts Horticultural Society. He is a member of the Professional Grounds Management Society and the Texas Nursery & Landscape Association. He is currently working on gaining his Texas Department of Agriculture Pesticide Applicator's license. He earned a bachelor's degree in sociology from Texas Lutheran University and took graduate-level classes in landscape design at Radcliffe College in Cambridge, Massachusetts.

Curtis Robillard
Landscape Supervisor, East Campus & DPRI
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Curtis Robillard has over 20 years of experience in the horticulture industry. He started out working for a landscaping company when he began college in 1993. After graduating from Louisiana State University with a bachelor's degree in horticulture, he managed/supervised various golf courses for five years. He was the horticulturist for the University of New Orleans for two years before he joined Landscape Services here at The University of Texas at Austin. He has been a landscape supervisor for the east half of campus since July 2007. He is a State of Texas Certified Pesticide Applicator. He is currently a member of the Texas Landscape Nursery & Landscape Association, Professional Grounds Management Society, Texas Turf Grass Association, and University Landscape Management Association.

Mart Stubblefield
Supervisor, Pest Control
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Mart Stubblefield has 25 years of experience in providing pest control services. Prior to joining UT, he started an integrated pest management program at the University of Nebraska-Lincoln, with a heavy emphasis on reduced pesticide usage.  Before that, he provided vector control for the military in contingency operations in Afghanistan and Turkey for 10 years. He is a member of the Entomological Society of America.

Allison Williams
Administrative Associate
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Allison Williams has over 12 years of administrative experience at UT. She began her career as a billing specialist for University Health Services (UHS). In 2013, she became an administrative assistant for Business & Financial Services (BFS), where she processed training requests. She was later promoted to training services coordinator, where she supervised both student associates and ULN Interns, coordinated all training for BFS, Financial Services, and Project Management & Construction Services, tracked all training for staff, and oversaw seven training budgets. In 2015, she joined Landscape Services as the administrative associate. Allison earned her bachelor’s degree in business administration from St. Edward’s University.