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Staff Qualifications
 

Western Chapter International Society of Arboriculture Certified Arborists
WCA Certified Arborists International Society of Arboriculture Arborist Certification provides an educationally challenging program designed to upgrade the knowledge and proficiency levels in the tree care profession. Having an I.S.A. Certified Arborist on site at all times is vital for the quality and craftsmanship of proper urban tree care. An Arborist typically has at a minimum three years' experience in arboriculture: experiences includes demonstrated practical use of knowledge involved in pruning, fertilization, installation and establishment, diagnosis and treatment of tree problems, cabling and bracing, climbing or other services directly related to tree maintenance. Our Arborists accumulate 10 Continuing Education Units (CEU's) annually, which help to ensure that they are keeping up with the latest research and techniques. Below is a list of our own, fully employed I.S.A. Certified Arborists.

Employee NameArborist #
ALAGO, JOSEPH NICKWE-4396AU
BARR, ROBERT W.WE-1401A
BARTOLO, JOSEPHWE-2034AU
BRACAMONTES, CARLOSWE-8557A
BURCH, WALLACEWE-0713A
COOPER, DAVIDWE-0497A
CORTEZ-TORRES, JOSE M.WE-8539A
DAVLIN, JASON ROSSWE-7628A
DEPASQUALE, DEBORAHWE-3812A
EPPERSON, ALWE-0719AU
EPPERSON, ROSE M.WE-1045A
GARCIA, GABRIEL ORTIZWE-8532A
GARCIA-LOPEZ, J. ALONSOWE-8499A
GONZALEZ, VICTOR M.WE-7175A
GOSS, JAMESWE-1042A
GUZIK, SHAWN A.WE-3182AU
HAUPT, CALVIN F.WE-7634A
HERNANDEZ, FELIXWE-2037A
HUNT, STEVE B.WE-1044A
KOCH, BRIAN M.WE-0341A
LIRA, ELEUTERIO B.WE-1906A
LOPEZ, IGNACIOWE-7329AU
MAGANA, JORGEWE-3460A
MAHONEY, PATRICK O.WE-1172A
MAHONEY, RICHARD R.WE-1171A
MANZANEDO, GAILWE-3858A
MEJIA, REBECCA A.WE-2355
MENJIVAR, FILANDROWE-7014AU
MONTES, HECTORWE-8079AU
MORRIS, MICHAELWE-1095A
ORTIZ, JUANWE-8514A
PADILLA, HERMINIOWE-7552AU
PALAT, MICHAEL W.WE-6541AU
PEREZ, JOSE MANUELWE-0818A
PEREZ, LORENZOWE-7443A
PINEGAR, JASONWE-2039AU
PONCE, WILLIAM STEVEWE-6461A
PORTILLO, RENEWE-2038AU
QUINN, FRANK X.WE-1085A
REYNAGA, ADAN B.WE-7786A
ROSALES, RENEWE-7941A
THOMPSON, RANDY J.WE-1043A
THOMPSON, ROBERT D.WE-0915AU
TROTTER, ANDREW R.WE-0642AU
WILLIAMS, JEFFERY B.WE-1100A
WORKING, JAMES CHARLESWE-1592A

 

Western Chapter International Society of Arboriculture Certified Utility Arborists
WCA Certified Utility Arborists The State's Occupational Safety and Health Administration (Cal/OSHA) requires that employers of line clearance tree trimmers and aerial lift operators to certify that their workers have received specific training in accordance with the American National Standard's Institute Z133.1 guidelines. We have an extensive training program that aids in the development of the Utility Line Clearance Tree Trimmers. Below is list of our own fully employed Utility Line Clearance Tree Trimmers.

Employee NameUtility Arborist #
ALAGO, JOSEPH NICKWE-4396AU
BARTOLO, JOSEPHWE-2034AU
EPPERSON, ALWE-0719AU
GUZIK, SHAWN A.WE-3182AU
LOPEZ, IGNACIOWE-7329AU
MENJIVAR, FILANDROWE-7014AU
MONTES, HECTORWE-8079AU
PADILLA, HERMINIOWE-7552AU
PALAT, MICHAEL W.WE-6541AU
PINEGAR, JASONWE-2039AU
PORTILLO, RENEWE-2038AU
THOMPSON, ROBERT D.WE-0915AU
TROTTER, ANDREW R.WE-0642AU

 

Western Chapter International Society of Arboriculture Certified Treeworkers
WCA Certified Tree Workers The purpose of the ISA Treeworker Certification is to establish a meaningful standard of skill and work quality, to establish and measure a level of training and knowledge, to encourage continuing education, and to promote safe work practices. In an effort to provide the best possible urban tree care, WCA hires, trains and assigns Certified Tree Workers for our projects. This insures that a minimum level of training and knowledge for arboriculture has been obtained and that safe work practices and overall safety will be performed. We encourage continuing education and training for those Tree Workers who may wish to gain knowledge in arboriculture or who may want to become Certified Arborists. Below is a list of our own, fully employed I.S.A. Certified Tree Workers.

Employee NameTree Worker #
ABALOS, JOSE LUISTW-1472
AGUAYO, JOSETW-1050
AGUIRRE, NELSON R.TW-1460
ALONSO, ARIELTW-0489
ALVAREZ, JOSE A.TW-1497
ARROYO, OCTAVIO J.TW-1114
AVALOS, MIGUEL ANGEL1896C
AVELAR, SALVADORTW-1278
AVILA, EDUARDOTW-0420
BARRAGAN, MANUELTW-1461
BARRERA, MARTINTW-1136
BARRIENTOS, EUGENE1712C
BECERRA, JUANTW-0637
BRIANO, MANUELTW-1606
BURCH, WALLACETW-0329
CANCINO, JOSE ABEL1663C
CANDELARIO, MANUELTW-0577
CARDOSO, ELIGIO IBARRATW-1070
CARRILLO, AGUSTINTW-1097
CASTELLANOS, ANTONIOTW-0491
CHAVARRIA, HUMBERTOTW-1498
CORONA, CELSO SAL890
CORONEL, CAMERINOTW-1297
CORONEL, JOSE LUISTW-0851
CORTEZ, LEONELTW-1188
CORTEZ-TORRES, JOSE M.TW-1770C
CUEVAS, PEDROTW-1001
DE PAZ, NIEVESTW-0988
DUENAS, JORGETW-1002
ESCAMILLA, J. REFUGIOTW-1268
ESPINOZA, FAUSTINO G.TW-1510
GAETA, ROMUALDO368
GAMINO, GABRIELTW-1051
GARCIA, FELIXTW-1003
GARCIA, GABRIEL ORTIZTW-1426
GOMEZ, VENTURATW-1190
GRADILLA, ANTONIOTW-0971
GUTIERREZ, RAYMUNDOTW-1074
GUZMAN, FAUSTOTW-1116
HERNANDEZ, FELIXTW-0424
HERNANDEZ, PEDRO A.TW-1503
HERNANDEZ, RAFAELTW-1192
HUNT, STEVE B.TW-0425
IXTA, CARLOSTW-1052
JIMENEZ, JORGETW-0990
JIMENEZ, JOSETW-1076
JIMINEZ, FRANCISCO URENATW-375
LIRA, DEMETRIO1694C
LIRA, ELEUTERIO B.TW-0426
LOPEZ, ALFREDO ANGELTW-0925
LOPEZ, ARMANDO O.TW-1255
LOPEZ, AUSTIN J.1898C
LOPEZ, FRANCISCOTW-0992
LOPEZ, JUANTW-1431
LOPEZ-RIVERA, SERGIOTW-1103
MACIAS, MIGUELTW-1024
MANCILLA, JOSE INEZTW-1299
MARQUEZ, JUANTW-0430
MARTINEZ, EDUARDOTW-1087
MARTINEZ, JOELTW-1447
MARTINEZ, VARAQUIELTW-0431
MENJIVAR, FILANDROTW-1075
MENJIVAR, SANTOSTW-1007
MONTES, HECTORTW-1296
MONTES, JESUS A.TW-0583
MONTOYA, JOSAFATTW-1788C
MORRIS, MICHAELTW-0240
NUNEZ, RENETW-1141
ORTIZ, JOELTW-0993
ORTIZ, JUANTW-1505
OSEGUERO, DEMETRIOTW-1008
PADILLA, MARCO A.TW-1603
PAZ-GUZMAN, AURELIOTW-1191
PENA-ARIAS, JUAN C.371
PEREZ, CELESTINOTW-1120
PEREZ, JOSE MANUEL352
PEREZ, LORENZOTW-0781
PORTILLO, RENETW-0579
RAMIREZ, FRANCISCOTW-1009
RAMIREZ, RAMONTW-1069
RAMIREZ, ROGELIOTW-0377
REYNAGA, ADAN B.TW-0435
RICHARD-MARTINEZ, MARCOS1661C
RINCON, HUGO ANGELTW-0614
RIVAS, DANIELTW-1609
RIVERA, JOEL M.TW-1206
RODRIGUEZ, ADAMTW-0493
RODRIGUEZ, JOSETW-0594
RODRIGUEZ, TEODOROTW-1207
ROSALES, RENETW-1259
SANCHEZ, SALUSTIOTW-1508
SERRANO-PEREZ, EMIGDIOTW-1856C
SILVA, SALOMONTW-0858
TELLEZ, JUANTW-1656
THOMPSON, ROBERT D.TW-0219
VEGA, JOSE IRENETW-1174
VEGA, JOSE TRINIDADTW-1164
VERGARA, MARCO ANTONIOTW-1465
VILLANUEVA, FRANCISCOTW-1552
WENCESLAO, CESARIOTW-1011
WILLIAMS, JEFFERY B.TW-0437
WORKING, JAMES CHARLESTW-0647
ZALDANA, WALTER E.TW-1529

 

Certified Urban Forester
WCA Certified Urban Forester The California Urban Forests Council’s Certified Urban Forester program recognizes, encourages, and enhances the education, experience and professional status of urban forestry professionals, while providing agencies, organizations, and companies that utilize their services a benchmark for identifying qualified professionals. The Certified Urban Forester Program grants certification to individuals who meet both educational and professional prerequisites and have compiled with the requirements, including passing a required certification examination. The requirements correspond to knowledge, abilities, skills and experience commensurate with the professional practice of urban forestry.

ANDREW R. TROTTER, CERTIFIED URBAN FORESTER #103, CALIFORNIA URBAN FORESTS COUNCIL


 

Certified Treecare Safety Professional
WCA Certified Treecare Safety Professional The Tree Care Industry Association (TCIA) accredits tree companies, develops safety and education programs, establishes standards of tree care practice and provides management information for arboricultural firms around the world. Our purpose for having Certified Treecare Safety Professionals (CTSP) is to improve worker safety by empowering and encouraging the development of a culture of safety. Currently, WCA has the greatest number of Certified Treecare Safety Professionals in the state of California and they are listed as follows:

Employee NameTree Worker #
GARCIA, GABRIEL ORTIZTCIA
KING, VERONICA J.TCIA
MARQUEZ, JUANTCIA
PADILLA, HERMINIOTCIA
PORTILLO, RENETCIA
TROTTER, ANDREW R.TCIA
WORKING, JAMES CHARLESTCIA

Utility Line Clearance Treeworkers
The State’s Occupational Safety and Health Administration (Cal/OSHA) requires that employers of line clearance tree trimmers and aerial lift operators to certify that their workers have received specific training in accordance with the American National Standard’s Institute Z133.2 guidelines. We have an extensive training program that aids in the development of the Utility Line Clearance Treeworkers. We currently have sixty Utility Line Clearance Treeworkers on staff. A detailed listing of names can be provided if requested.

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