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Scott McPhee, MCA, ISA

Enrolled in the Arboriculture and Urban Forestry program at UMass Amherst, Scott's career began as a college freshman, when he joined the Hartney Greymont team. Young and eager, he learned the trade from the men who had trained through the lineage of the great Charles Sprague Sargent. He had the privilege of working with master craftsmen: those who were born with the eyes of an artist, the spirit of a pioneer and the tenacity of mother nature. These mentors were professional, efficient, and incredibly skilled in the art of pruning and all things of the earth. It was here that he knew he had found his passion and has spent the last 34 years working to emulate those great examples.

But here's some quirky stuff you can bring up if you run out of "tree talk"....

1.  He cannot stay awake after eating pasta.

2.  You can't get him off the dance floor at a wedding.

3.  His childhood nickname was Scooter.

ISA (International Society of Arboriculture), MCA (Massachusetts Certified Arborists), Hoisting License, Pesticide License, Past President of Massachusetts Arborists Association and New England Grows

Scott McPhee 
Co-Owner, Team Lead: Client Care

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Jen began her career in the horticulture industry 31 years ago. As a student at Franklin & Marshall College, she was pursing a path in entrepreneurship and live event production when she was hired as a summer intern for the Pennsylvania Nurserymen's Association, working on their annual summer trade show. This opportunity led to a full-time position serving the New England horticultural industry, and several years (not to mention details) later, she and Scott married....he living the life of an arborist, and she an association event manager in the same field.  


While taking a hiatus from the green industry to grow their family, Jen launched her own event production company and served on the board of the International Special Events Society-NE Chapter. There she nurtured her passion for doing business differently...drawing on the significance of creating meaningful experiences, and the unparalleled contribution they make to a business' success. It is this philosophy that drives her actions as co-owner of the company. Fostering a positive culture in the workplace, and creating spaces that delight our clients is her measure of true success. This might explain her slightly unconventional team meetings, laced with a precise balance of generative collaboration, skill development, and meaningful fun! 


Oh...and while any loyal wife would embrace the duties that come with owning a family business, Jen did also reprise her role as a trade show coordinator in the green industry. And though her skills as an arborist are still limited to chopping wood (her favorite workout, by the way), she seems to have cobbled together that unique career she set her sites on so many years ago! 

Jen McPhee
Co-Owner, Dreamweaver

Office & Operations


Cathy has worked in the horticulture field for 38 years...beginning at the age of 1, of course! She was the "voice" of Harrison & Associates since its inception 17 years ago and we couldn't be luckier to have her continue in that role for us. Her childhood nickname was Chatty Cathy and that makes complete sense given that her favorite part of the job is client interaction! Well, we certainly have no plans of slowing her down. 


In addition to her incredible talents as our Director of Client Care, Cathy is an outdoor enthusiast who spends her free time biking, camping, kayaking, and scuba diving. She is a season ticket holder to the Providence Performing Arts Center, and when forced to entertain herself inside, you'll find her reading a good book, making elaborate quilts or playing with her three grandchildren.

Cathy Potter
Lead Administrator
"That friendly voice"


Pam Piorkowski

Steve Vernon, ISA, MCA

Steve (Verno) heads up our Operations Team, which makes him a master of multitasking. He was the first new employee of Harrison McPhee, Inc., joining us amid the snowiest winter on record. We're glad he could see through the snowflakes to the adventures that awaited. Since his arrival, he has been an integral part of our evolution and remains a cornerstone of our company culture. But just when we thought we couldn't get any luckier, Leslie Vernon (Steve's lovely wife) brought her niche design talents within reach. Thanks to our trucks were branded and on the road in no time!

Steve enjoys reading, road cycling, camping and hiking with his family. He has ridden up Mt. Washington 3 times on his road bike and just complete a 100 mile bike race! When a 12-hour day at work just isn't enough to tire him out, he'll often commute on his road bike and squeeze in a lively game of soccer with his boys before bedtime. His current favorite author is John Krakauer.

10 years of experience, ISA Certified Arborist,

MA Certified Pesticide Applicator, MA Certified Arborist (MCA)

Steve Vernon
Team Lead: Operations

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Diane Zinck 
Sales/Ops Support

Matt McCoy, MCLP, MCA

Matt joined us in 2022 as our newest Arborist and Plant Health Care (PHC) Team Lead, with over 20 years of experience in the industry. He is a MA Certified Arborist, MCLP (Massachusetts Certified Landscape Professional), and a member of NALP. He's a true outdoorsman, as his spare time is usually spent with family: hiking, fishing or running......although it isn't unusual to find him enjoying a good movie or video game with his kids!

As Team Lead for our PHC department, Matt focuses on the foundation of tree health — the soil health and prevention of disease and insect infestation. He ensures that we are providing the best environment in which an urban forest may thrive. His next goal is to successfully build the best PHC operation in the world, and we're here to support that!

Matt believes one of the best things about being an arborist is working outside.  The fresh air, constantly changing scenery, physical and mental stimulation are things that bring great satisfaction to your day — along with doing something good for our planet. His advice to current students who are thinking about their future careers is to take time between high school and college to try different fields.

Matt McCoy
Team Lead: Tree Preservation & Plant Health Care

Client Care Team

Dick Stoner, MCA

Dick developed an interest in trees early on, as a young boy while riding his mother's fat tire bike through the woodlands and parks of western Pennsylvania. He created a leaf and seed collection to assist in mastering his native plant ID.

As a Cub Scout, at age 9, he was required to climb 15 feet into a tree — as part of a requirement for a wolf badge. He crushed that goal and instead climbed 50 feet into a mulberry tree....much to his mother's chagrin! About this same time, his entrepreneurial skills began to emerge as he got his picture in the local paper for trying to shine and sell buckeyes at a roadside stand.

Dick began climbing professionally in 1976, and climbed every summer while attending Penn State University. He never looked back, and has made a long and successful career in arboriculture.

He met his wife, Jennifer in 1988, when he was called to remove a fallen sugar maple from her preschool playground after a damaging storm.

Dick has also remained very active in industry volunteer work and is a past president of the Massachusetts Arborists Association.

Dick Stoner
Client Care Team

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James joined our team in 2018, with extensive experience in arboriculture and landscape contracting. A graduate of Boston College, James continues to put his love of learning to good use, as he quickly ascends through the ranks of horticultural knowledge. He loves spending his days outdoors —especially when he's on Cape Cod (his favorite vacation spot). 

A wealth of random knowledge, James hones his competitive trivia skills almost every night watching Jeopardy. If you could throw a classic Town Spa pizza in the mix, his night would be complete! Well.....maybe we're going a bit too far there. In 2017, James married his lovely wife, Courtney, and they are parents to daughter, Emerson.

Random Favorites:  Pizza, Fishing, and Game of Thrones

8 Years Experience:  MA Certified Pesticide Applicator, MA Certified Arborist, ISA Certified Arborist

James Tobin
Client Care Team


Joe is a highly decorated arborist with the same notable lineage of training as several of our HMI team members, and can be traced back to the pioneering techniques of Charles Sargent Sprague. He credits his entre into the world of arboriculture to the time he climbed an oak tree during a high school class, and he has been a steward of our urban forests ever since! His favorite thing about being an arborist is that he is helping to save the planet, one tree at a time.  

In addition to saving the planet, Joe loves to enjoy all that nature has to offer. He is an avid fisherman and traveler, and loves to wind down at the end of the day with a great walk with his dog and feeding his koi fish. From the Maine coast to the Wind River Mountains of Wyoming, Joe is in his element in nature. Even his favorite book, "Blues" by John Hersey, reflects on the impact nature has on all of us.

40 years of experience, Certified Pesticide Applicator, MA Certified Arborist, International Society of Arboriculture Certified Arborist, TRAQ Certified Arborist, American Society of Consulting Arborists

Joe Camilliere

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Jon Madison

Production Team

Kyle Donaldson, CTSP

Kyle comes to us as a well-traveled arborist and instructor, who spends part of his time training other arborists and utility engineers in rescue techniques, emergency response, technical rigging, chainsaw use, climbing and all aspects of safety in the industrial athlete sector.  Kyle earned the 2019 New England Chapter ISA Tree Climbing Championship!  He will be traveling in August to Knoxville, TN to represent New England in the International competition.  Way to go, Kyle!

He is one of many avid bikers at HMI.  And when not on the road, you will find him and his family on the slopes or jammin' on the guitar.  Random fact?  He can juggle.....chainsaws?  Well, no we don't think he's gone that far, but we're sure if he put his mind to it, he'd master it.  Kyle is always looking to conquer the biggest challenge (or tree) he can find! 

Vermont wins his vote for favorite vacation spot.  And if you top it off with Mexican food, some live music and his family by his side, he'd probably call it his best day ever. (Oh wait - you'd better throw a quick tree climb into that mix!)

15 years of experience, NATS Safety & Training Instructor, MA Certified Pesticide Applicator

Kyle Donaldson
Team Lead of
Safety & Training


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Meet Mike Hickman, the heart and soul of our team! With an infectious enthusiasm for life and an unwavering dedication to spreading joy, Mike brings a unique blend of talents and passions to our workplace that never fails to get our attention.

When he's not dazzling us with his impeccable work ethic and remarkable problem-solving skills, you can find Mike indulging in his two greatest loves: spending quality time with his girlfriend Taylor and daughter Ella, and whipping up delectable treats in the kitchen. Seriously, his gourmet bread is like a slice of heaven on earth!

But Mike's creativity doesn't stop there. He's also a master craftsman, hand carving one-of-a-kind cooking spoons from the most extraordinary pieces of wood you've ever seen. And did I mention his love for jazz? The man has an ear for music that's as impressive as his carving skills, although he draws the line at new country!

When he's not tapping his foot to a smooth jazz melody, you'll likely find Mike immersed in his favorite book, "The Trees in My Forest" by Bernd Heinrich. It's no surprise that Mike finds solace and inspiration in the wonders of nature, as his passion for the environment and all its gifts shines through in everything he does.

But perhaps what truly sets Mike apart is his genuine desire to make others happy. Whether it's through a warm loaf of bread, a beautifully crafted spoon, or simply sharing his infectious zest for life, Mike's boundless kindness and compassion remind us all to appreciate the small joys that Mother Nature has to offer. We're incredibly lucky to have him as part of our team, and we can't wait to see what incredible things he'll accomplish next!

27  years experience

Mike Hickman
Crew Lead


Juan Carlos Mancia, CTSP

Juan Carlos recently joined our team, coming from a landscape construction background. He has a thirst for learning and is actively engaged in our Arborist Apprentice program.  When he's not outside creating beautiful landscapes, Juan Carlos can be found spending time with his family, playing soccer, and tinkering with computers.  He is so talented with computers, in fact, that he even assembled his own!  

12 Years of experience, Certified Treecare Safety Professional (CTSP)

In addition to Juan's talents in horticulture, he is also a great filmmaker!  He was inspired by the culture here at HMI and wanted to spread the word.  He made the following video to make a positive connection with our clients and future workforce.  Check it out here or in our Career Page.

Juan Carlos Mancia
Crew Lead


John Hathaway, MCLP, MCA, ISA, CTSP

John is a classic example of the term "Industrial Athlete".  A recent college graduate, John lead his UVM Catamount rugby team to an impressive number of victories as Flanker, Lock, and 8-man. He's now a winner on our team as our newest arborist trainee and all around great guy.  He's never missed a day of asking what else he can do to help before he wraps that's impressive!

It's common to be quite tired at the end of a long, physical day at HMI, but it takes more than that to wear John out.  He's always up for a good hike or cycle....and if he can find himself a mountain, you will likely catch him rock climbing up or snowboarding down!

Interesting fact?  A few years ago, John learned that the Heimlich maneuver does indeed work on dogs, when he rescued his labrador, Max, who was chocking on some kibble.....a true hero to both of his dogs (Max and Boo) who are undoubtably in good hands!

6 Years Experience - Certified Hoisting Engineer, MA Certified Pesticide Applicator, MA Certified Arborist, ISA Certified Arborist, MA Certified Landscape Professional

John Hathaway
Crew Lead

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Corey King 
Crew Lead

Corey brought his expertise to HMI when he and Jon Madison (co-owners of JM King, Inc.) joined forces with HMI in January, 2024. We like to think of it as "the band getting back together", as Scott, Corey, Jon, Joe and Sean, all began their careers at Hartney Greymont, Inc. years ago. The history, synergy and talent they amassed there, made the merger a classic homecoming, where the energy, knowledge and consistency of skill is creating a legacy of talent that will live on through the next generation of arborists.

     Corey's three, self defining words include: Active, Outdoors, and Nature, which tracks with his passion for trail running, snowboarding, cycling - and of course - tree climbing. He will tell you that the feeling he gets climbing a tree depends on the species and what he loves about being an arborist is that every day is different. He's a true artist in the tree and everyone should have the privilege of watching him perform his craft.

Cailley Culotta, MCA, ISA

Hellllloooooooooo Cailley Culotta!  Aside from having a name that is wicked fun to say, our newest #NextGenArborist.,Cailley brings with her a killer climbing background, having started her career as a climbing surveyer for the Asian Longhorned Beetle in the Worcester area.  She loved it instantly and will tell you that the best part of being an arborist is spending time at the top of a beautiful, healthy tree.  And that syncs perfectly with her version of following her bliss, which includes staying as true to her values as possible and being close to nature.  

Multi-talented for sure, Cailley loves to rock climb, garden, keep bees, backpack, garden, AND she plays the viola.  Random fact about 2018 she tried traveling to the West Bank to play her viola in an orchestra with a Palestinian music school.  She was detained in Israel upon arrival and deported!  Now she can never enter Israel again.  Wow....we'd like to here that story!

Cailley Culotta
Tree Crew

Tate Allen, ISA

Tate made a big leap to move across the country to join our T.R.E.E.S. Class of 2021!  A graduate of Purdue University, Tate  graduated with a degree in Forestry, with a concentration in Urban Forestry.  Searching for a career where he could work with like-minded arborists, Tate introduced himself to us while attending a national conference.  We were blown away by his initiative, professionalism and enthusiasm.  As he approached graduation, we discussed the option of him joining our team and are thrilled to say it all worked out perfectly.  Tate's extensive education will be put to immediate, practical use as he joins us during our busy summer.


Arboriculture first sparked Tate's interest when he worked at a tree farm in Indiana...and the rest is history.  If you were to dig a little deeper into his tree care related preferences:

Chainsaw or Axe?     Chainsaw

Summer Tree Work or Winter Tree Work?     Summer 

Husquvarna or Stihl?    Stihl

Battery or Gas chainsaw?     Gas

Affectionately nicknamed Tatertot by his family and friends back home, we're happy to welcome him to his newest tree family in MA!

Tate Allen
Tree Crew

Justin Monta, MCA, ISA, CTSP

Justin is a veteran to the tree business, with 20+ years of climbing under his, uh "saddle".  He spent his first 14 years growing up in Vermont - coincidentally in the same town in which his wife grew up - yet they NEVER met until they were in their 20s!  Now they are happily married raising their daughter, Sydney, who gave him his nickname "Justy".

Looking back, Justin was probably destined to work in nature.  He never considered what he wanted to be when he grew up because he was too busy playing in the woods. If you ask him about the benefits of working outside, he'll tell you "clean air, clean mind" - and that the best days are when he can work outside with plants because it's good for the body and soul.

Justin is a believer in enjoying the journey. He's most happy when working outside, spending time with his family, and maybe taking that dream trip to Alaska!

20 years of experience, ISA Certified Arborist, MA Certified Arborist

Justin Monta
Crew Lead

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Nathan Meszaros-Phaneuf
Tree Crew

Maeven Broderick

There's always something new to learn and that's one of Maeven's favorite things about being an arborist.  She is always up for an adventure and her bio will prove it!  Prior to her post college career, she worked on maintaining forest trails for 6 seasons  - her longest season being 4 months.  That meant she slept outside for 115 nights!  That tracks with her favorite vacation spot being a rustic campsite in the Colorado mountains.....and trail running as one of her favorite spare time activities. 

Maeven is the new proud mama of a cuter-than-cute puppy named June, and after a full day of tree work, she likes nothing more than winding down with her furry baby.  Maeven once wanted to be a fashion designer but as fate would have it, she studied Forestry at UMass and that beginning lead her to a career in arboriculture.  But she does have great fashion taste!


Maeven would admit she's following her bliss and subscribes to the benefits of living day by day.  Bad attitudes easily make her short list of pet peeves but perhaps some killer Mexican food or a good Spotify playlist could nudge her out of it.

We are so thrilled to welcome this self described Active, Fun, and Fulfilling member of our team and love basking in the light that she brings to our daily routine!

Maeven Broderick
Tree Crew

Ken Angliss

Ken was part of the core crew of Harrison & Associates, having faithfully served for 10 years. We gladly welcomed him as a veteran of our team when we joined forces in 2015.

Some clients may best know Ken as the leader of our firewood division.  Never without a smile on his face, he has delivered and stacked - with enviable precision, we might add - hundreds of cords of wood. We're quite sure that more than a s'more or two have brought smiles to family faces because of Ken's talent for keeping our New England fireplaces burning.

Ken is also quite talented at all-things-mechanical.  On the weekends you'll often find him tinkering in his shop - bringing an old relick back to life! 

15 Years of experience, MA Certified Pesticide Applicator

Ken Angliss
Tree Preservation/
Plant Health Care Team

Peter Jefferis

Coming soon!

Peter Jefferis
Tree Preservation/Plant Health Care Team

Jason Carota

Introducing Jason Carota - the newest member of our tree preservation team!  If he had to choose 3 random words to describe his interests they would be family, music, and baseball.  Of course, trees would be a close 4th:) He'll tell you he  "loves taking care of the trees so they can take care of us" - and the ability to work outside every day is one of the real perks of being an arborist.

Pet peeve?  Don't leave your crumbs in the stick of butter!

Best Coffee?  Chubby Dog Coffee Co. (Putnam, CT)

Chainsaw or Axe?  Chainsaw

Winter or Summer Tree Work?  Winter

Favorite Movie:  Any Western from the 1940s or 1950s

Jason is pursuing his next goal in the profession - the ISA Certification.  And if he follows his pattern of unwinding each day by talking to his wife and kids about their day, he would definitely say he's following his bliss.

Welcome Jay!

Jason Carota
Tree Preservation
Plant Health Care Team


Sean Comer
Crew Lead

Our Welcome Committee


Lily's Bestie


Eleanor "Rigby"
Due Soon!

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