Employee Profiles

Ron Rinell, Owner
Ron Rinell, Owner

Bunyon Bros. Tree Service is owned and operated by Ron Rinell. With over 30 years of experience and as one of the few Certified Arborists on the Central Coast, Ron has turned Bunyon Bros. into the largest tree service company in San Luis Obispo County. He holds a Class A driver’s license and graduated Cal Poly San Luis Obispo in International Business.

Arborist Number: WE-9252A

Qualified Applicator (QAC) Number: 123770

Bunyon Bros. Tree Service hires and trains only the best tree professionals. Your complete tree pruning specialists. To find out more, scroll down to the employee you wish to know more about.

SHAUN CALLARMAN
Shaun Callarman

ISA Certified Arborist, WE-3256A
Supervisor & Estimator
19 years of experience
Resides in San Luis Obispo

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William Van Horbek

ISA Board Certified Master Arborist #WE-6407B
Qualified Applicators License QAL 97532
Certified Tree Care Safety Professional CTSP #783
Supervisor & Estimator
Cal Poly Alumni
15 years of experience
Resides in Paso Robles

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Bob Griswold

Supervisor & Foreman
35 years of experience
Certified Crane Operator, backhoe operator, welder, fabricator, tree feller, sawyer
Class A driver’s license
Resides in San Luis Obispo

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Conrado Morales

Foreman
7 years of experience
Climber, boom operator
Resides in Nipomo

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Chase Noblitt

ISA Certified Arborist, WE-10343A
Climber
4 years experience
Chainsaw mechanic
Resides in San Luis Obispo

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Mark Hitchcock

15 years experience
Purchaser, stump grinder operator
Resides in San Luis Obispo

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Manuel Rojas

Groundsperson
5 years experience
Firewood delivery
Resides in San Luis Obispo

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Arturo Ramos

Groundsperson
2 years experience
Resides in Santa Maria

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Josh Watkins

Mechanic
20 years experience
Class B driver’s license
Resides in Atascadero

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Jess Spencer

ISA Certified Arborist, WE-10345A
Foreman
22 years of experience
Climber, aesthetic pruning according to ISA standards, hazardous tree removal specialist, tree feller, sawyer
Resides in Grover Beach

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Doug Rhodes

ISA Certified Arborist, WE-10340A
General Foreman
25 years of experience
Expert climber, tree feller, certified line clearance tree trimmer, expert rigging and custom pulley applications, instructor for all climbing techniques
Resides in Arroyo Grande

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Justin Busch

ISA Certified Arborist, WE-10341A
Foreman
4 years experience
Class B driver’s license
Certified Crane Operator
Resides in Morro Bay

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Gonzalo Cardenas

Groundsperson
3 years experience
Firewood supervisor
Resides in Santa Maria

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James Haas

Groundsperson
10 years experience
Resides in Arroyo Grande