Contact The Fleming Training Center

Jenny Strobel

Manager

Email Jenny (615) 927-0300

Jenny Strobel oversees statewide operator training and certification, workforce development initiatives, technical assistance programs, and daily operations. In this leadership role, Jenny supports program development, staff coordination, strategic planning, and initiatives that help strengthen operator education, technical assistance, certification support, and workforce development across Tennessee’s water and wastewater industry. Jenny is passionate about building a strong, service-oriented environment that helps both current and future water professionals succeed.

Jenny earned a Bachelor of Science in Geosciences with a concentration in Geology from Middle Tennessee State University. Her career in the environmental field began in municipal wastewater operations, where she worked as a wastewater treatment plant operator for the City of Murfreesboro and earned her Grade IV Wastewater Treatment Operator Certification. Her professional background also includes environmental consulting, groundwater and soil monitoring, and regulatory compliance experience through her work as a wastewater inspector with TDEC.

In addition to her work with the State of Tennessee, Jenny serves as the Wastewater Division Director on the Board of Directors for Water Professionals International. In this role, she contributes to national discussions and initiatives focused on operator certification, professional development, and advancing the water workforce. Her involvement reflects her commitment to supporting the profession beyond the state level and collaborating with industry leaders across the country.

Outside of work, Jenny enjoys gardening, caring for houseplants, and spending time with her fiancé and two French Bulldogs, Sludge and Vorticella, whose names are a fitting nod to her wastewater roots.

Mandy Singleton

Operations Coordinator

Email Mandy(615) 898-6501

Mandy graduated from Middle Tennessee State University with a Bachelor of Science in Organizational Communication and an Experiential Learning (EXL) certification. She brings a diverse professional background spanning nonprofit organizations, higher education, and small business operations. Throughout her career, Mandy has focused on outreach, communications, event coordination, and business and operations management, supporting teams through thoughtful systems, clear communication, and process improvement.

At The Fleming Training Center, Mandy supports daily operations, coordination efforts, and administrative systems that help ensure FTC’s operations run smoothly and efficiently.

In her free time, Mandy enjoys going to the movies with her husband, traveling, reading, and crafting.

Linette Guzman

Water and Wastewater Operator Certification Coordinator

Email Linette(615) 898-6504

Linette Guzman holds a Bachelor of Science in Psychology from Middle Tennessee State University and brings a strong background in organization, communication, and customer service from her previous work as a manager at a personal injury law firm.

At The Fleming Training Center, Linette coordinates Tennessee’s water and wastewater operator certification program by helping operators and applicants navigate the certification process. Her work includes assisting with application requirements, certification records, exam-related questions, renewals, and communication with operators across the state. Through her attention to detail and commitment to service, Linette helps ensure the certification process runs smoothly, supports compliance with state requirements, and helps operators continue moving forward in their careers.

Outside of work, Linette enjoys spending time with her family, going to the gym, traveling, and dancing with her husband. She also has a passion for interior design and loves creating beautiful, functional spaces.

Carl Hollis

Continuing Education Coordinator

Email Carl (615) 898-6502

Carl Hollis supports continuing education, certification records, and operator documentation for water and wastewater professionals across Tennessee. In this role, Carl helps maintain accurate certification records, assists operators with continuing education questions, and supports the systems that help ensure operators receive proper credit for completed coursework. His work plays an important role in helping operators meet certification and renewal requirements while keeping records organized, accurate, and accessible.

Carl began his career with the State of Tennessee through the Department of Human Services Vocational Rehabilitation Program, where he served for eight years before transferring to the Tennessee Department of Environment and Conservation in 2012. In 2019, he joined The Fleming Training Center team. While working at FTC, Carl returned to school after many years and earned an associate degree in business from Motlow State Community College in May 2022.

A lifelong resident of Middle Tennessee, Carl sincerely enjoys spending time with his family, including his wife, Karen; his children, Sarah and Matthew; his daughter-in-law, Emily; and his grandson, Campbell Everett.

Ben Rodriquez

Cross-Connection Control Program Coordinator & Instructor

Email Ben (615) 898-6508

Ben Rodriquez coordinates Tennessee’s state certification program for the testing and evaluation of backflow prevention assemblies, helping ensure testers have the training, resources, and certification support needed to protect public water systems.

Ben also serves as the instructor for Backflow Prevention Assembly Tester Certification courses at FTC. Through his work in the classroom and with the certification program, he helps testers understand cross-connection control, backflow prevention, testing procedures, and the practical knowledge needed to perform their work accurately and confidently.

Ben has served the State of Tennessee since 2014 at The Fleming Training Center. His work supports testers, utilities, and training partners across the state by helping maintain a strong, consistent certification program and by providing instruction that connects regulatory requirements with real-world application.

Outside of work, Ben enjoys obstacle course racing and hiking Tennessee trails with his wife and four children.

Beverly Glass

Wastewater Technical Assistance Specialist

Email Beverly (615) 906-7506

Beverly Glass works directly with wastewater operators and treatment facilities across Tennessee to support strong, effective plant operations. With more than a decade of experience in the wastewater industry and a Grade IV Wastewater Operator license, Beverly provides hands-on technical assistance focused on laboratory QA/QC, process troubleshooting, operational problem-solving, and regulatory compliance.

In her role at FTC, Beverly helps operators evaluate data, identify potential issues, strengthen sampling and testing procedures, and make practical adjustments that improve day-to-day operations. She is committed to helping facilities build confidence in their lab practices, better understand treatment performance, and turn data into meaningful, actionable improvements. Through her technical assistance work, Beverly supports operators in meeting compliance goals while improving the overall effectiveness and reliability of their wastewater treatment processes.

Outside of work, Beverly enjoys gaming and backpacking with her husband, and spending time with her family.

Jordan Fey

TNPOP Consultant

Email Jordan(615) 306-3494

Jordan Fey works directly with wastewater operators across the state to evaluate treatment processes, identify opportunities for improvement, and make practical adjustments that support the removal of nitrogen and phosphorus from effluent. His work helps facilities strengthen performance, improve process control, and address nutrient removal challenges through hands-on technical assistance and operator support.

Jordan graduated from Middle Tennessee State University in 2012 with a degree in physics. His career in the public utility sector began with LabtronX, where he calibrated, repaired, and installed laboratory and process control equipment. In 2015, he joined the Tennessee Department of Environment and Conservation as a wastewater and pretreatment inspector in the Nashville Environmental Field Office. At the end of 2023, Jordan stepped into his current role supporting plant optimization efforts statewide. He is excited to use his passion for science and problem-solving to help operators improve treatment performance and meet nutrient removal goals.

Although he is not a Tennessee native, Jordan grew up in Bristol and has family in Memphis and across Middle Tennessee, giving him a connection to all three Grand Divisions of the state. He lives near Nashville with his wife and two dogs and enjoys the connection to nature that comes from living near the Harpeth River.

Amanda Carter

Water Treatment Instructor

Email Amanda (615) 898-6507

Amanda Carter supports the training and professional development of drinking water operators across Tennessee. Since joining FTC in 2011, Amanda has been responsible for water-related courses and seminars, helping operators prepare for certification, strengthen their technical knowledge, and apply key drinking water concepts in their daily work.

Amanda earned a Bachelor of Science in Soil and Water Conservation from the University of Tennessee at Martin. She began her career with the Tennessee Department of Environment and Conservation in 2004, spending one year with the Division of Underground Storage Tanks and seven years with the Division of Groundwater Protection before joining The Fleming Training Center. Her experience with TDEC gives her a strong foundation in environmental protection and regulatory programs, which she brings into the classroom to help operators better understand the importance of safe, reliable drinking water.

One of Amanda’s favorite parts of teaching is seeing students grow in their knowledge and confidence throughout a course. She especially enjoys asking a question on the first day and being met with blank stares, then asking the same question on the final day and hearing answers shouted from across the room.

Amanda met her husband while attending UT Martin, and they have been married for more than 20 years.

Delaney Gilley

Wastewater Instructor & Lab Coordinator

Email Delaney (615) 571-4938

Delaney Gilley supports the education and professional development of wastewater operators across Tennessee. In this role, Delaney teaches courses that help operators build a strong understanding of wastewater treatment principles, biological processes, plant operations, and the knowledge needed to succeed on the wastewater certification exams. She brings a science-focused approach to instruction and is passionate about making complex concepts practical, approachable, and useful for operators in their day-to-day work.

Delaney earned a Bachelor of Science in Biology with a concentration in Organismal Biology and Ecology from Middle Tennessee State University, then went on to complete a thesis-based Master of Science in Biology. Her graduate research examined the evolution and biomechanics of bat skulls, which was published in 2025. Throughout her studies, she taught biology labs at MTSU for two and a half years and worked in an Entomology and Chemical Ecology lab at Tennessee State University before joining our team in 2023.

At FTC, Delaney combines her background in biology, research, and teaching to help operators better understand the biological and operational processes that drive effective wastewater treatment. Her work supports operators as they prepare for certification, strengthen their technical knowledge, and apply science-based concepts to real-world treatment challenges.

In her free time, this Murfreesboro native enjoys spending time with her husband and their two dogs, Remus and Roxie, as well as baking sweet treats.

Bret Walters

Collection & Distribution Systems Instructor

Email Bret(615) 946-1775

Bret Walters supports the training and professional development of water and wastewater operators across Tennessee. In this role, Bret teaches exam preparation courses focused on collection and distribution systems, helping operators review key concepts, strengthen their technical knowledge, and build confidence as they work toward certification.

Bret is an Air Force veteran and holds a Bachelor of Science in Environmental Sustainability with a focus in Biology from Lipscomb University. He has worked as an operator for both the City of Clarksville and the City of Lebanon and earned his Grade IV Wastewater Treatment Operator Certification. His field experience allows him to bring practical, real-world insight into the classroom, connecting exam material to the day-to-day responsibilities and challenges operators encounter in the field. 

In 2016, Bret left long-haul trucking and moved to Tennessee to return to school. He quickly fell in love with the state’s natural beauty and decided to make Tennessee home rather than return to California. In his free time, Bret enjoys spending time outdoors, visiting Tennessee State Parks, birdwatching, and working toward becoming a certified naturalist.