Patrick Mahoney
President
Professional Registration
California State Contractors License #313843, Class C61 & C27
International Society of Arboriculture Certified Arborist #WE-1172
Mr. Mahoney founded West Coast Arborists, Inc. in 1972. As President and Chief Executive Officer, Mr. Mahoney oversees the complete operation of the company. Under his direction the company has grown from 3 employees and 2 trucks to over 550 employees with a 500 plus unit fleet. In December of 2009, the Anaheim Chamber of Commerce honored Patrick as the “Business Champion of the Year” for 2009. The Business Champion of the Year Award recognizes an individual who uses their professional expertise and talents in activities that promote business and the Anaheim community.
Professional Affiliation
Founder - Southern California Tree Trimmers Jamboree
Past President and Honorary Lifetime Member- Western Chapter ISA
Served 1989-97 - ISA Certification Committee
Award of Merit - Western Chapter ISA 1997
Award of Achievement - ISA, 1998
Society of Commercial Arborists
Municipal Arborists Association
Street Tree Seminar
Tree Care Industry Association
Maintenance Superintendents Association
Utility Arborists Association
California Oak Foundation
The Palm Society
Rose Epperson
Vice President
Professional Registration
California State Contractors License #654265, Class C61 & D49
ISA, Certified Arborist #WE-1045A
American Society of Association Executives
B.S., Business Administration, Argosy University, Costa Mesa, CA
Mrs. Epperson has been with West Coast Arborists, Inc. since August 1979, and she has been a director at WCA since 1992. Her experience lies in accounting and administration. She is responsible for administrative and accounting functions on a corporate level. She has been involved in the implementation and management of our computerized accounting, estimating and job costing programs.
Professional Affiliation
Past President & Honorary Life Member - Western Chapter ISA
Past President - Street Tree Seminar, 1994
Award of Merit - Western Chapter ISA, 2005
President’s Award - Western Chapter ISA, 1997
Tree Care Industry Association
Street Tree Seminar
American Society of Association Executives
Richard Mahoney
Vice President
Professional Registration
ISA, Certified Arborist #WE-1171A
B.S., Business Administration, University of Houston, Houston, Texas
Mr. Mahoney has been with West Coast Arborists, Inc. since 1974 and has over 30 years experience in the tree care industry. He is responsible for internal operations, management of our fleet including maintenance and repairs, as well as overseeing facilities, supplies and purchasing. Prior to his present position with WCA, he spent two years as Vice President of Operations for Golden Coast Environmental Services, a computer oriented urban forestry consulting firm in Irvine, CA. With extensive background in information systems management, Mr. Mahoney oversees the computer operations of WCA. In addition he has served as a member of the Board of Directors since 1978. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Randy Thompson
Vice President, Area Manager
Professional Registration
ISA, Certified Arborist #WE-1043A
Mr. Thompson has been with West Coast Arborists, Inc. since September of 1978. He has over 30 years experience in the arboriculture field. Responsibilities within the company are broad. He is responsible for estimating, scheduling, contract administration, personnel and daily operations. As an Area Manager, he is responsible for field operations, customer service, and management of crews throughout Orange County. Through his employment he has gained valuable experience in computer estimating, tree inventory systems, and costing programs which are essential in the efficient operation of tree care crews. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Professional Affiliation
Western Chapter ISA
Street Tree Seminar
Maintenance Superintendents Association
Andrew Trotter
Vice President, Field Operations Manager
Professional Registration
ISA, Certified Utility Arborist #WE-642AU
California Urban Forests Council, Certified Urban Forester #103
TCIA, Certified Tree Care Safety Professional, #142
Wildlife Training Institute, Certified Wildlife Protector #533
Mr. Trotter has been with West Coast Arborists, Inc. since August of 1982. Prior to that, he had eight years experience in the tree care industry. After working as a Foreman for eight years, Mr. Trotter was promoted to Field Operations Manager in March of 1990. As Field Operations Manager, he supervises all of the field operations as well as overseeing our safety, training, nursery and wood recycling facility. He has been an industry leader in many key projects including United Voices for Healthier Communities Great Clean Air Planting Project, Toolkit for Developing Urban Forest Management Plans and the Western Chapter ISA’s annual “Workday” fundraiser.
Professional Affiliation
Past President - Street Tree Seminar
Past President - California Urban Forest Council
Board Member - Maintenance Superintendents Association
Award of Merit and Award of Achievement - Western Chapter ISA, 2006
Deborah DePasquale
Vice President, Contract Services
Professional Registration
ISA, Certified Arborist #WE-3812A
B.A., Entrepreneurial Management minor in Political Science, California State University Fullerton, Fullerton, CA
Employee of the Year, WCA 1995
Ms. DePasquale has been with West Coast Arborists, Inc. since November of 1993. Before that time, she worked as a consultant for WCA and was a Senior Account Executive for a finance company for five years. Her responsibilities include managing Customer Service, Billing, Administration and Human Resources. Ms. DePasquale has over 20 years computer experience and 17 years in the tree care industry. She receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Christopher Crippen
Vice President, MIS
Professional Registration
Microsoft Certified Professional
Mr. Crippen has been with West Coast Arborists, Inc. since October of 1995. At that time, he had four years experience as a computer programmer for an insurance company. As a computer programmer, he supports the tree inventory software created by WCA, as well as customizes each software package for each City. In addition, he maintains the inventory databases compiled by the Inventory Specialists. He has over 18 years computer programming experience and over 14 years experience in the tree care industry.
Victor Gonzalez
Vice President, Marketing
Professional Registration
ISA, Certified Arborist #WE-7175A
ATSSA, Certified Traffic Control Designer #00236811
B.S., Engineering Technology – Construction Management, California State University, Long Beach, Long Beach, CA
Employee of the Year, WCA 2009
Mr. Gonzalez has been with West Coast Arborists, Inc. since June of 1999. During the previous two years, he worked as a Public Works Inspector for a private engineering firm serving cities in Orange and Los Angeles Counties. Before that time, he served the City of Bellflower for four years as an Executive Assistant to the Director of Public Services. His responsibilities included contract administration, project management, and customer service within the Public Services Department. He has over seven years of city government and public works experience and 11 years in the tree care industry. He is a member of the firm’s Management Team that provides strategic leadership and business development. He leads the sales force in developing its customer base and strategic marketing plans. He oversees the procurement of company’s annual insurance policy coverage and oversees contracts with nearly 200 customers including all contract negotiations.
Steve Hunt
Area Manager, Central California
Professional Registration
International Society of Arboriculture Certified Arborist #WE-1044
International Society of Arboriculture Certified Treeworker #TW-426
Certified Crane Operator, NCCCO
Mr. Hunt has been with West Coast Arborists, Inc. since May of 1991. Before that time, he worked for a residential tree service as a Leadworker/Foreman for five years. He was the eighth Foreman here at WCA and was promoted to Area Manager over ten years ago. As an Area Manager, he is responsible for field operations and management of crews in the Central California/Fresno area. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Hunt has over eighteen years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Dave Cooper
Area Manager, West Los Angeles
Professional Registration
International Society of Arboriculture Certified Arborist #WE-497
Mr. Cooper has been with West Coast Arborists, Inc. since August of 1994. Before that time, he worked as a sales manager for thirteen years. As an Area Manager, he is responsible for field operations and management of crews in the West Los Angeles area. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Cooper has over twenty years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Jason Pinegar
Area Manager, Northern California
Professional Registration
International Society of Arboriculture Utility Certified Arborist #WE-2039AU
Certified Crane Operator, NCCCO
Mr. Pinegar has been with West Coast Arborists, Inc. since December of 1993. Before that time, he worked for a residential tree service as a tree trimmer for two years. As an Area Manager, he is responsible for field operations and management of crews in the Northern California and Bay area. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Pinegar has over thirteen years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Nick Alago
Area Manager, Riverside & San Bernardino
Professional Registration
International Society of Arboriculture Utility Certified Arborist #WE-4396AU
Certified Crane Operator, NCCCO
Mr. Alago has been with West Coast Arborists, Inc. since September of 1999. Before that time, he worked with a residential and commercial tree service for nineteen years. As an Area Manager, he is responsible for field operations and management of crews in the Inland Empire. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Alago has over twenty-four years in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Joseph Bartolo
Area Manager, North East Los Angeles
Professional Registration
International Society of Arboriculture Utility Certified Arborist #WE-2034AU
Mr. Bartolo has been with West Coast Arborists, Inc. since March of 1994. Before that time, he worked for a residential tree service for six years. As an Area Manager, he is responsible for field operations and management of crews in North East Los Angeles county. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Bartolo has over sixteen years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Frank Quinn
Area Manager, South East Inland Empire
Professional Registration
International Society of Arboriculture Certified Arborist #WE-1085
California State Licensed Contractor
Mr. Quinn has been with West Coast Arborists, Inc. since September of 2002. Before that time, he owned his own tree service company for over twenty years. As an Area Manager, he is responsible for field operations and management of crews in the Riverside and San Bernardino Counties. He is also involved in scheduling, evaluation and production of street tree maintenance. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Michael Palat
Area Manager, San Diego County
Professional Registration
International Society of Arboriculture Utility Certified Arborist #WE-6541AU
B.S., Parks & Recreation Management, minor in Environmental Science
California University of Pennsylvania
ASCA Academy graduate
Mr. Palat has been with West Coast Arborists, Inc. since February of 2003. He brought several years experience working with ArcView and GPS as well as field experience. As an Area Manager, he is responsible for field operations and management of crews in the South Orange County and San Diego areas. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Palat has over six years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits and is Chairman of the San Diego Regional Urban Forests Council.
Robert Thompson
Area Manager, South East Los Angeles
Professional Registration
International Society of Arboriculture Certified Arborist #WE-0915A
International Society of Arboriculture Certified Treeworker #TW-219
Mr. Thompson has been with West Coast Arborists, Inc. since August of 2003. Before that time, he worked for a residential and commercial tree service for twenty years. As an Area Manager, he is responsible for field operations and management of crews in South East Los Angeles county. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Thompson has over twenty-five years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
Lorenzo Perez
Area Manager, Ventura & Santa Barbara Counties
Professional Registration
International Society of Arboriculture Certified Arborist #WE-7443A
International Society of Arboriculture Certified Treeworker #TW-781
Mr. Perez has been with West Coast Arborists, Inc. since September of 1994. As an Area Manager, he is responsible for field operations and management of crews in Ventura and Santa Barbara counties. He is also involved in scheduling, evaluation and production of street tree maintenance. Mr. Perez has over twelve years experience in the tree care industry. He receives a minimum of 25 hours credit annually in arboriculture continuing education credits.
