Regional Technical and Sales

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Marianne Waindle - Technical Products Manager

After joining Arborjet in 2014, Marianne has used her 35-plus years in the green industry to bring her many talents to the team. As Technical Product Manager, Marianne provides technical support to the Sales and Research & Development teams. She has a hand in new product development decisions, and assists Marketing with creating regional sales documents.

Marianne always possessed a love for the outdoors since a very young age, spending her time horseback riding on an urban farm, intrigued with growing fruits, nuts, veggies, and beautiful ornamentals. She later earned her Bachelor of Science and Arts degree in Ornamental Horticulture/Plant Pathology, followed by her Master of Plant Protection and Pest Management (IPM in Plant Pathology/Entomology/Agronomy). She later joined the Davey Tree Expert Company, where she became an ISA Certified Arborist and began a lifelong career in tree health. Marianne also holds certification as a California Pest Control Advisor and licensed Pesticide Applicator. In her spare time, Marianne enjoys old house maintenance, gardening, horseback riding, and cooking with friends.

Jeff Palmer - Western Area Technical Manager

Jeff graduated from the University of Minnesota with a B.S. in Forestry. He began as a Horticulturist and Consultant and then managed a large plant health care (PHC) firm in the Twin Cities area.  Jeff went on to operate his own Commercial Landscape Maintenance business for more than 15 years.

Since joining Arborjet in 2009, Jeff has assisted hundreds of municipalities and plant health care companies with the implementation of their PHC programs and has a particular strength in management of Emerald Ash Borer.  He continues to fine tune treatment protocols for managing tree issues like EAB, Bur Oak Blight, and Oak Wilt, among others. Jeff Palmer is a Certified Arborist and Municipal Specialist.

In 2018 Jeff took on a new role as Western Area Technical Manager, providing a senior level of oversight to Arborjet’s Regional Technical Managers in the western United States. He still continues to be the primary resource for clients in the Upper Midwest territory, in addition to his new role.

Jeff resides in the suburbs of the Twin Cities and in his free time you may find him fishing or hiking with his two sons. It is one of Jeff’s goals to visit the tallest natural point in each state and he is nearly half way there. Jeff also loves to cycle and has completed multiple Tour des Trees.

Trent Dicks - Eastern Area Technical Manager

Trent has over 20 years of experience in Landscape and Nursery sales and operations. He holds a Bachelor of Science Degree in Agri-Business Horticulture from Illinois State University and an Associate’s Degree in Applied Science and Horticulture. Trent is a graduate of Dale Carnegie training.

In 2018 Trent took on a new role as Eastern Area Technical Manager, providing a senior level of oversight to Arborjet’s Regional Technical Managers in the eastern United States. He still remains as the main resource and point of contact for the Mid-Atlantic territory.

For 14 years, he lived in the Midwest, managed a garden center, and ran small Nursery and Landscape company. Trent was the Landscape Designer and Operation Manager at Moon Landscaping for 6 years, where he managed large estates & plant health care. When Trent finds himself with free time he enjoys hunting, fishing, gardening and sports.

Joe Aiken - Great Lakes & Canada Regional Technical Manager

Joe’s 30-plus years in the tree care industry have provided a diverse and valuable experience which has permitted him to guide others in plant health care decisions. He has worked in all phases of tree care, and as a licensed applicator and an ISA certified arborist, he developed a strong interest in Plant Health Care and gained the experience and desire to continue his education.

Joe routinely conducts product seminars and presentations on various treatment methods which are attended by arborists, city foresters, plant health care technicians, master gardeners, university extension agents, grounds departments, and research personnel. He also supports Arborjet’s research department and co-operating universities, assisting with tree injections on research sites, and other aspects of research required to aide in development of equipment and formulations needed to control today’s invasive pests.

Joe is a proud founding member of the Arboriculture Society of Michigan Foundation and Curator of the Arboriculture Historical Society. In 2001 Joe joined the team at Arborjet, where he shares his strong belief in tree preservation with clients, and educates others on the benefit of more environmentally friendly solutions for our urban forest problems.

Kevin Brewer- Northeast Regional Technical Manager

Kevin joined the Arborjet team in the summer of 2017 as the Northeast Regional Technical Manager, bringing with him 13 years of industry experience and an extensive plant health care background. Prior to his role at Arborjet, Kevin served as the general manager of a tree preservation company, managing plant health care and the diagnosis and prescription of treatment for trees and shrubs. He is a Certified Arborist and ISA Qualified Tree Risk Assessor.

With a passion for saving trees, Kevin educates new and existing customers, keeping them ahead of the curve in their plant health care solutions. Outside of Arborjet, he enjoys gardening with his wife, woodworking, and hiking sections of the Appalachian trail.

Dawn Fluharty - Northwest Regional Technical Manager

Dawn graduated from California Polytechnic State University SLO with a B.S. degree in Environmental Horticulture Sciences and a minor in Soil Science. She began her horticulture career in 1999 and has worked in sales as a key account manager for Wal-Mart and Lowes. She has also held outside sales positions supporting Home Depot, Orchard Supply and Ace Home Centers.

In 2011, Dawn joined the Arborjet team, focusing heavily on the Northern California market. She is a California certified Pest Control Advisor (PCA) and maintains her Qualified Applicator License (QAL). Dawn also holds memberships with associations such as WCISA, PNWISA, OAN, PAPA, and CAPCA. When she’s not working, Dawn enjoys spending time with her two young sons.

Rebecca Knapp - Western Regional Sales Manager
Golf, Sport Turf, and Nursery Markets

Rebecca joins Arborjet, bringing with her 15 years of expertise in Sports Turf management. Before Arborjet, Rebecca worked for both Major League Baseball and Major League Soccer teams, including the Philadelphia Phillies, New York Mets, and most recently the Arizona Diamondbacks. Prior to her time in professional sports turf, Rebecca was the Assistant Turf and Grounds Manager for Houston Dynamo and has worked with LCO’s as an Account Manager and Contract Administrator.

Rebecca found a passion for the industry through her love of athletics and a pristine, well-manicured field. Rebecca will support both Arborjet and Ecologel products in the Golf, Sports Turf and Nursery Markets; developing new business around the country and providing technical knowledge throughout the industries. Outside the office, you can catch Rebecca spending some time on a tropical beach, or enjoying a game of baseball or round of golf.

Kevin Lewis

Kevin Lewis - Midwest Regional Technical Manager

In early 2018, Kevin joined the Arborjet team, accepting a position as the Midwest Regional Technical Manager. He also supports both Arborjet and Ecologel products in the turf, ornamental, and golf markets; developing new business around the country; and providing technical knowledge to lawn care operation, landscape and all other sectors of the green industry.

Before joining Arborjet and Ecologel, Kevin worked as an Agronomic Technical Specialist with John Deere Landscapes, where he supported sales staff and end users in developing sound agronomic programs. Prior to this, he had over 20 years of experience in the golf industry as a superintendent for both private and public golf courses, managing all aspects of course maintenance, staff maintenance and pesticide applications. Kevin is licensed as a commercial applicator in Ohio for turf, general weed control and aquatics, and earned an Applied Sciences degree from Ohio State University in turf grass management.

Kevin is an avid golfer outside of work. He also enjoys fishing, hunting, and working with his dogs.

Emmett Muennink - South Central Regional Technical Manager

Emmett holds a B.S. in Agronomy and a M.S. in Crop Science from Texas Tech University. After completing his master’s degree, he moved to the Dallas metroplex and began his career in Arboriculture. Starting out as a PHC technician for a Dallas area tree company, Emmett quickly climbed the ranks and managed the entire PHC division. He has performed nearly every job in the tree industry from diagnosis and PHC applications, to ground work, climbing, and stump grinding. Emmett’s formal education combined with his technical background provide him with an excellent understanding of plant and soil science, as well as practical knowledge of PHC and the tree industry. He enjoys staying on the cutting edge of PHC technologies and sharing his knowledge with other tree care professionals. On weekends and holidays you’ll find Emmett spending time with his family and friends, as well as hunting, fishing, BBQing, and rooting for his Red Raiders!

Carin Prechtl - Hawaiian Islands Sales Manager
Golf, Sport Turf, and Nursery Markets

Carin began working at Arborjet in the Spring of 2019, bringing with her field experience with landscape installation and maintenance practices. Her previous roles include Nursery Manager and Landscape Designer. Before entering the work force, Carin was focused on finishing up her Bachelor’s Degree in Landscape Architecture from the University of Delaware. In fact, Carin was one of the first graduates of the Landscape Architecture program at the University of Delaware. Upon graduating, she was awarded the 2018 Outstanding Representative to University of Delaware’s Landscape Architecture program.

Carin became passionate about the industry when she realized that with her background in Landscape Architecture, she could combine her love for creativity and beauty with a technical and functional side. Not only can Carin make an outdoor space look beautiful, but she can give it a purpose and reason to be utilized. As a Regional Sales manager for the Hawaiian Islands, Carin is responsible for supporting sales staff and end users of Arborjet and Ecologel products, with primary focus of Sports Turf, Golf, Commercial Turf, and Nursery applications.

Outside of the office, you can catch Carin exploring all that Hawaii has to offer; from hiking to enjoying the beautiful beaches. When she’s back on her home turf of Delaware, Carin spends her time catching up with friends, family and her dog.

Eric Steffensen - Eastern Regional Sales Manager
Golf, Sport Turf, and Nursery Markets

Eric has worked in the green industry his entire career and brings with him 20 years of experience. Eric holds a Bachelor’s Degree from Penn State in Turfgrass Science. He started working at a golf courses at the age of 16. From there, Eric owned and operated his own residential turf business, before relocating from Charlotte, NC to Nashville, TN. From there, Eric went on to work for Sigma Organics, where he actually brought on the Arborjet brand!

Eric found a passion for the industry through the results he saw; the immediacy of results, striping a fairway, or a landscape install that he designed drew him in more with every job he worked on. In his role as Eastern Regional Sales manager, Eric will support both Arborjet and Ecologel products in the Golf, Turf, and Nursery markets; developing new business around the country and providing technical knowledge to all sectors of the green industry. When not in the office, you can find Eric with his family and dogs hiking local trails, or relaxing out at the lakefront.

JB Toorish - Southeast Regional Technical Manager

JB started his career in the green industry in 1980 working for a landscaping company in the Cleveland, Ohio area. JB started as a lawn technician and eventually managed the lawn care and tree/ornamental care departments while developing Integrated Pest Management programs. In 1995, JB began working for the Davey Tree Expert Company as a sales and service technician. He graduated from The Davey Institute of Horticultural Sciences and The Davey Institute of Tree Sciences in 1997.

In July of 1997, JB started with LESCO/JDL as Manager of Technical Services. There, JB’s duties included daily agronomic and pest control support to internal and external customers. He held pesticide dealer/applicator licenses in over 30 states and routinely performed educational training presentations for CEU credits.

JB joined the Arborjet team in April of 2009. He is currently living in Orlando, Florida and providing sales and technical support for the southeast region of the United States.

JB has created and facilitated chemical applicator re-certification training presentations for many states throughout the US. JB has also written technical information for various industry text books, internal newsletters, websites and a monthly technical column for Lawn and Landscape Magazine.