Our Tree Care Experts
36 years of combined experience
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Meet Our Tree Care Experts
She’s often on-site assisting the crew any way she can. Meanwhile, she is also advancing her knowledge to become certified in all aspects of the tree care industry, hence she incorporated a tree maintenance company in Oak Park Heights, Minnesota.
Melissa was granted a woman owned small business certification in 2020. Melissa also holds multiple government certifications and tree industry memberships.
When she’s not working, you can find her taking in the natural beauty of Minnesota with her husband at their cabin in the woods of northern Minnesota.
Kelby Nelson - Owner
Kelby has over 21 years of experience in the industry. Kelby believes that the betterment of all trees will provide a healthier environment for future generations, hence he spearheaded into a plant health care company in Minnesota. He enjoys advancing his knowledge by being a member of the International Society of Arborculture and the Minnesota chapter of the Society of Arborculture.
Likewise he is also a member of the Tree Care Industry Association and he attends annual continuing education classes, like the annual Shade Tree Short Course at the University of Minnesota held in March, to stay up to date with changing industry standards and techniques.
When he’s not working, he is training for, and competing in, the annual tree climbing competition. Most of all he loves spending as much of the free time he has with his daughter.
Carson is the lead groundsman in charge of the staff, equipment maintenance, safety protocols and assisting the climbers in any way possible. He has been with Alliance since the beginning and we wouldn’t know what to do without him and look forward to his advancement within not only the company, but within the tree industry.
Tim has worked closely with the city of St. Pauls Forestry Department board, holds multiple certifications and licenses including but not limited to his Arborist Certification and MN Pesticide License.
One of Tim’s finer points is his thirst for knowledge and his passion for teaching. He’s helped 100s of young adults through his love for trees and he is an invaluable asset to the tree industry. Time enjoys spending his time with his two children and wife along with outdoor activities such as dirt biking, snowmobiling and traveling.
Jeff started using his cranes to do primarily tree removal work in 1989 and has not only been a true innovator in the use of crane work with the tree industry, but a teacher as well. Jeff enjoys spending his off time with his two children and parents while maintaining his family horse farm.
Having spent the majority of his career in New England, Aaron holds a Massachusetts Arborist Certification, Connecticut Arborist License, and Rhode Island Arborist Certification. He holds pesticide licenses in Vermont, Massachusetts, Connecticut, New York, Maine and Minnesota.
With 29 years in the industry his knowledge base and consulting experience is well known and only a handful of people hold his amount of certifications nationwide. Aaron enjoys spending his off time with his wife and being active in the outdoors.