Your Trusted Tree Care Partner

Excellence, Experience, Passion

Arbor MD Tree Care, Inc. is a local Bay Area based arboricultural firm focused on serving the needs of managers and owners of commercial properties, homeowners, multi-family housing (apartments and homeowners associations), corporate campuses, educational institutions and retail properties. Whether you need advice about a particular tree or your entire property mapped and assessed, our arborists will schedule a visit and provide you with solutions for the care of your trees.

​Arbor MD’s management team is comprised of tree care professionals that have an average of 15+ years in the industry. Throughout those years of experience, our managers have built trust and valuable long lasting relationships with our clients.

​Our mission to help our clients succeed. We are driven to ensure our clients’ goals are met so they can focus on other priorities. Schedule a consultation with one of our arborists today and see how Arbor MD can manage your trees for you.

Our Service Locations

Pacific Northwest

We have additional specialized tree care crews that service commercial properties in the Greater Seattle area. In Oregon, we cover : Multnomah, Washington, Marion, Clackamas, and Hood River Counties. In Washington, we cover: Clark, Cowlitz, Skamania, Pierce, King, Kitsap, and Snohomish Counties. Contact us today and we will connect you with your local team.

Northern California

We offer our commercial tree care services in the greater SF Bay Area and most of Northern California Counties: San Francisco, Alameda, San Mateo, Santa Clara, Contra Costa, Solano, Napa, Sonoma, Marin, Sacramento, Yolo. Reach out to us and our team will contact you immediately.

Meet ArborMD

  • Andy LaVelle

    PRESIDENT/CEO

    Andy LaVelle, a graduate of Cal Poly, San Luis Obispo (Ornamental Horticulture, 1992) and St. Mary’s College (Executive MBA, 2011) is an ISA certified arborist with 29 years of experience in the commercial landscape and tree care industries. While at a previous company, Andy successfully led teams to build commercial tree care operations up and down the West Coast. Andy prides himself on not only his ability to spot talent, but also how to successfully integrate talented individuals into a team environment. Building and organizing things, organizations included, are Andy’s passions. Away from work, Andy enjoys building furniture, leading backpacking trips into the Sierras and playing water polo.

  • Neil Woolner

    EXECUTIVE VP

    Neil is perhaps the most renowned arborist in the Bay Area, having worked with nearly all the major commercial property management companies over the past 30+ years. A graduate of Writtle University College Horticulture Program in the UK, accredited in Horticulture at the University of Pennsylvania and a member of the Royal Horticultural Society, Neil’s passion for arboriculture is apparent to all who work with him. When posed with challenges related to his clients’ trees, Neil’s energetic and direct approach helps get to the core of the solution efficiently and effectively – his clients love that about him. Away from work, Neil enjoys beekeeping and is a voracious reader of history.

  • Matt Dickinson

    EXECUTIVE VP

    Matt is best known amongst his peers and clients for building strong relationships through trust and flexibility. A graduate of Western Carolina University in Biology with 20 years of industry experience, Matt has the technical knowhow to solve his clients’ arboricultural challenges and goes above and beyond to ensure their goals are met. Though Matt works with clients from all commercial real estate categories, he has made a name for himself concentrating on apartment REITs, helping many large apartment owners and their communities manage their trees. Matt loves the outdoors, spending time with his family and is and avid fisherman.

  • Doug Hagge

    VP BUSINESS DEVELOPMENT

    After graduating from Cal Poly, San Luis Obispo with a BS in Forestry 24 years ago, Doug began his career in the green industry as an inspector at Western Environmental Consultants for PG&E Vegetation Management Division. Since then, Doug has spent the last two decades working for national and regional arboriculture firms. Doug’s peers and clients agree: his hardworking, friendly, and very communicative nature sets him apart from many of his contemporaries. His clients have come to rely on his professional and attentive approach. Doug is also very active with the Building Owners and Managers Association’s East Bay chapter, where he was awarded member of the year in 2018. In his spare time, he enjoys camping, hiking, fishing, downhill skiing and attending A’s and Warrior games and live music concerts of some of his favorite bands.

  • Kris Yamaguchi

    VP BUSINESS DEVELOPMENT

    A graduate of Cal Poly, San Luis Obispo with a BS in Forestry and an industry veteran with over 25 years of experience, Kris is a highly customer focused arborist who loves to help others succeed. In fact, Kris is known amongst his peers for his teamwork and ability to collaborate on challenging projects. Because he is so concerned with meeting his clients’ needs, Kris has built strong relationships that have followed him throughout his career. Like many at Arbor MD, Kris enjoys the outdoors and can often be found deep sea fishing in the Monterey Bay, many times with others from Arbor MD.

  • George Silva

    VP FIELD OPERATIONS

    George is deeply and universally respected for his experience in and knowledge of the commercial tree care industry. With 23 years in the field and 10 years in management, George has built the technical prowess to take on very difficult and complex operations. Similarly, his leadership skills with Arbor MD’s field staff are unparalleled – many of the employees have followed him throughout their careers. Clients can feel confident in the fact that Arbor MD has George and his teams of experts to take care of their trees. Outside of work, George enjoys spending time with his family, fishing and going to Kansas City Chiefs games.

Operations

  • J (Iram) Sandoval

    PHC OPERATIONS MANAGER

    Passionate about tree care, Iram Sandoval has 18 years of experience as a plant health care production manager. He is always eager to lead by example and solve any issues regarding tree health. Outside of work, Iram enjoys going to the lake, spending time with his family, and cherishing the company of his two cats and two dogs.

  • Jose Cortez

    OPERATIONS MANAGER

    José Cortez, a U.S. Army veteran, graduated from City College of San Francisco with an Associate's degree in Construction Management and is a Certified Tree Care Safety Professional. Currently, he serves as the Operations Manager at our Bay Area locations, excelling at solving problems to streamline daily operations. In his free time, José enjoys hunting, fishing, and grilling with family and friends.

  • Marc Dunia

    OPERATIONS MANAGER, NORTH BAY

    Marc Dunia became an ISA-certified arborist in 1997. A strong proponent of education, he spends much of his time consulting and educating his clients. He loves spending time with his family at the coast and investigating weather and environmental changes.

Account Managers | Estimators

  • Christa Perez

    ACCOUNT MANAGER

    Christa Perez is an ISA Certified Arborist with more than a decade of experience in Aboriculture. She is also credentialed in TRAQ (Tree Risk Assessment Qualification) and holds a MA in Speech Communications. As an account manager, she enjoys helping provide Arbor MD's clients with exceptional customer service. In her free time she cherishes time with her two french bull dogs, nature trails, and spending time with family.

  • Jenn Hoppel

    ACCOUNT MANAGER, SACRAMENTO AREA

    Jenn Hoppel is an ISA Certified Arborist with ISA Tree Risk Assessment Qualification, bringing 15 years of experience in the commercial tree care industry specializing in portfolio management. As the team leader for the Sacramento Area, she values being part of Arbor MD for its company-wide culture of continual growth, professionalism, and encouragement of work-life balance. Outside of work, Jenn enjoys spending time hiking, cooking, and practicing yoga with her husband and two sons.

  • Jessica Wolff

    ARBORIST ASSISTANT

    Jessica Wolff graduated in 2017 with a Biology degree from the University of Saint Mary in Leavenworth, Kansas. She is currently an Arborist Assistant in the Sacramento region and enjoys the experiences and opportunities Arbor MD has provided her. In her free time, she enjoys spending time outdoors, especially with her two dogs and her horse.

  • Kevin Chisholm

    GENERAL MANAGER, PACIFIC NORTHWEST

    Kevin Chisholm graduated from San Jose State University with a degree in Finance. He has over 20 years of experience in the landscape industry and is an ISA-certified arborist with a TRAQ designation who loves being outdoors and connecting with people. When he isn't tending to timber, he enjoys attending live events and watching Formula 1.

  • Peter Green

    GENERAL MANAGER, SACRAMENTO/CENTRAL VALLEY

    Peter Green brings 35 years of experience in the tree care industry to his role as Sacramento/Central Valley General Manager at Arbor MD. He holds a Bachelor's Degree in Botany, is TRAQ Certified, and is a Board Certified Master Arborist. When he’s not helping clients with their trees, Peter enjoys racing dirt bikes, mountain biking, and capturing nature through photography.  

  • Kevin Mullin

    ESTIMATOR & ACCOUNT MANAGER

    Kevin Mullin studied Parks and Recreation Management at Northern Arizona University, holds a California Qualified Applicator Certificate, and is an ISA Certified Arborist. As an Estimator and Account Manager, he enjoys using his experience in landscape maintenance to help clients keep their properties looking beautiful. In his free time, Kevin enjoys being in nature with his three sons, biking, fishing, and golfing.

  • Lauren Woolner

    ACCOUNT MANAGER

    Lauren Woolner, a graduate of Syracuse University with a Bachelor of Science in Biology, specializes in molecular farming and functional genomics, making her well-equipped for the technical challenges of arboriculture. She assists clients by creating tree care plans and budgets, ensuring their needs are met while considering any constraints. In her free time, Lauren enjoys horseback riding and camping.

  • Nick Griswold

    ACCOUNT MANAGER & TREE MAPPING SPECIALIST

    Nick Griswold is an Account Manager with 5 years of experience in the tree care industry, and he continues to build on his expertise every day. Nick graduated from the University of California, Davis, with a degree in Native American Studies and an emphasis on environmental conservation. Working at Arbor MD has been an incredible opportunity to expand on his fields of interest as well as dive into more nuanced topics relating to conservation and tree care.

  • Noam Marcus

    ESTIMATOR

    Noam Marcus graduated from UC Davis School of Agriculture with a major in Managerial Economics. He currently works as an Arborist Assistant and Estimator for Arbor MD. In his free time, Noam enjoys long walks on the beach and creating art.

  • Sara Dunia

    REGIONAL SALES MANAGER, NORTH BAY

    Sarah Dunia has been in the green industry as a sales consultant and manager since 2007. She loves her clients and co-workers, building relationships based on trust and mutual benefit. She is passionate about trees, landscaping, nature, music, and family.

Accounting | Administrators

  • Brenda Perez

    CONTROLLER

    Brenda Perez brings with her 20 years of accounting and administrative experience. As the Controller of Arbor MD, she enjoys the diversity of her role, not only reviewing financials but also helping others when needed in the administrative field. In her free time, Brenda enjoys hiking, swimming, and traveling.

  • Ysabella Garcia

    ACCOUNTS RECEIVABLE REPRESENTATIVE

    Ysabelle Garcia is an Accounts Receivable Representative with over five years of experience in accounting and administration. She enjoys working closely with clients and maintaining accurate records to ensure seamless invoicing. Outside of work, she loves spending time with her husband and two sons, exploring local farmers markets, and cheering on the San Francisco Giants.  

  • Joanna Wead

    OFFICE MANAGER

    As the Office Manager, Joanna Wead plays a pivotal role in Arbor MD's daily operations, overseeing legal documents, marketing strategies, and the coordination of special projects. Her attention to detail and strong organizational skills guarantee smooth office management. Outside of work, Joanna finds joy in yoga, dancing, gardening, and adventures with her young son.

  • Wendy Zamora

    HR COORDINATOR

    Wendy Zamora has over 20 years of experience in customer service and earned a certificate in Human Resource Management from Sonoma State University in 2023. She currently serves as the HR Coordinator for Arbor MD, where the authentic camaraderie among the team is her highlight. Wendy enjoys any activity that brings family and friends together.

Join the Team.

We always welcome meeting passionate, likeminded, arborists and tree care specialists. Contact us with your information and we will be in touch.