Leadership Team

Great leaders inspire great success.

WestLand is led by a dynamic, creative, and effective senior leadership team who are well respected industry leaders in their chosen disciplines:

James A.

James A. Tress, Jr., MNS

President / CEO, Tucson

Jim Tress, MNS, is one of the founding principals of WestLand, and has been working in the environmental field since 1984. Jim has headed the company as President of WestLand since its inception and was recently named CEO. Under his stewardship, WestLand has grown from a single office in Tucson to a company of over 120 employees with additional offices in Phoenix, Flagstaff, and Globe.

Jim specializes in the technical and procedural requirements necessary for compliance with regulatory programs implemented under the Clean Water Act (CWA), Endangered Species Act (ESA), and National Environmental Policy Act (NEPA) and manages inter-disciplinary teams responsible for preparation of a wide variety of environmental compliance documents including, environmental impact statements (EIS) and assessments (EA); wetland and jurisdictional waters delineations; Section 404(b)(1) alternatives analysis and habitat mitigation and monitoring plans in support of CWA Section 404 permitting; surveys and biological assessments in support of ESA clearance, and Sections 7 and 10a permitting; natural resources planning and management; ecological resources survey and baseline studies; and mitigation design and planning for all project types including land development, mining, energy, transportation, and many utilities.

Jim earned a BS in Biology and Chemistry from Northern Arizona University and MNS in Plant Ecology from the Department of Botany and Microbology from Arizona State University.


Paul Tremel, PE

Chief Operating Officer, Phoenix

Susan M.

Susan M. Ellis

Chief Financial Officer, Tucson

Susan Ellis joined WestLand at the end of 2016 as the company’s Controller and became CFO in 2018.  She holds a BS in Accounting from Truman State University and has 30 years of experience in financial management, the last 11 in executive roles.  Her career was built in real estate related industries, from real estate development, to property management and real estate investment.  She has managed accounting and financial departments for small privately held firms and large SEC regulated companies, with a preference for companies who maintain their entrepreneurial spirit.  Through continued education and experience, her areas of expertise have become business operations, financial strategy and investment, and financial security and control.

Mark F.

Mark F. Taylor, PE

Senior Vice President, Tucson

Mark Taylor, PE, is Senior Vice President and one of WestLand’s founding principals. He has been working in the field of water utility planning/design and water policy throughout Arizona for more than 30 years. He is responsible for the development of water and sewer system master plans; well, reservoir, booster station, and transmission main design; water treatment and arsenic treatment design; and water system training and energy efficiency analysis for private and municipal clients. Mr. Taylor also oversees all Phase I Environmental Site Assessments conducted by WestLand.

His extensive professional experience includes work with municipal, county, and state governments, and mining, development, and industrial clients throughout Arizona. He has been responsible for or involved in large municipal and mining infrastructure projects, water regulatory community requirements such as Assured Water Supply, Central Arizona Groundwater Replenishment District membership, and water company development, energy management and efficiency, Tribal community water development, and alternative water resources such as desalinization and recharge and recovery facilities for Central Arizona Project resources.

Mark currently serves as a Board Member on the CAP Board of Directors, and on the Finance, Audit and Power committee. He is the current Chairman for the Regional Wastewater Reclamation Advisory Committee. He is also an International Volunteer for the Water for People World Water Corps, working in South and Central America and Africa.

He is the Honorary Commander of the 43rd Electronic Combat Squadron, active member of DM50, supporter of Davis-Monthan’s Mission Strong, and member of the Military Affairs Committee of the Tucson Metro Chamber of Commerce.

Brian S.

Brian S. Lindenlaub

Vice President - Environmental Services, Tucson

Brian Lindenlaub has been specializing in environmental permitting and compliance since 1994 and became a principal of WestLand in 2008. Brian is the Vice President of Environmental Services, overseeing the Environmental Planning and Permitting, Natural Resources, and Cultural Resources Departments.  Since 1997, his focus has been primarily on the Clean Water Act. Brian has been the senior project manager for a number of Section 404 permitting efforts (both nationwide and individual permits), and has considerable experience with all aspects of that permitting process: 404(b)(1) alternatives analyses, Section 7 Endangered Species Act (ESA) consultation, compliance with Section 106 of the National Historic Preservation Act (NHPA), National Environmental Policy Act (NEPA) documentation (both EAs and EISs), and development of compensatory mitigation projects. In addition, he is the staff technical lead on issues related to stormwater compliance (NPDES/AZPDES) for construction activities and industrial facilities.


David Cerasale, PhD

Director of Natural Resources / Principal, Tucson

David Cerasale, PhD, Director of Natural Resources, holds a Master of Science in Wildlife Biology from The University of Montana and a PhD in Ecology and Evolutionary Biology from Cornell University, and has 15 years of experience in the research and management of wild animal populations. David was appointed as a Principal to the leadership team in 2016. His expertise includes statistical analysis, physiological and biochemical analyses, and animal sampling and capture techniques. Dr. Cerasale has worked on a variety of natural resource projects, from the conservation of endangered species to the assessment of riparian habitats for avian migrants in the arid Southwest. His research continues to be published in peer-reviewed ecology, evolution, and physiology journals. Dr. Cerasale has been the lead biologist and project manager on a variety of biological studies and efforts to support environmental permitting processes.


Avi Buckles, MA

Director of Cultural Resources / Associate, Tucson

Avi Buckles, Director of Cultural Resources, has been an archaeologist in the private sector since 2000 when he started working on cultural resources management projects throughout Arizona and New Mexico. Avi began his career at WestLand in 2004 and was appointed as an Associate to the leadership team in 2016. Avi moved to Arizona in 1996 to attend the University Of Arizona Anthropology program and, after graduating, worked on dozens of archaeological excavation, survey, and construction monitoring projects on both prehistoric and historical sites. He subsequently became a field director and project manager for WestLand, with a research focus on historical archaeology and Southwestern mining and ranching history. Avi received his graduate degree in History from Arizona State University in 2017, and has directed numerous small and large survey and data recovery projects as well as public outreach assignments in Arizona and New Mexico. His passion is mining history, and Avi has produced detailed mining landscape studies and multi-media public presentations that integrate field archaeology, archival research, and oral-history to help manage legacy mining operations. From small development projects to large complex data recoveries, Avi is able to combine his business skills, archaeological knowledge, and attention to client and agency needs to successfully manage cultural resources projects.

Fred W.

Fred W. Huntington

Senior Cultural Resources Consultant / Principal, Tucson

Fred Huntington, Director of Cultural Resources, has been an archaeologist in the public and private sectors since 1976 when he began his career at the Institute for Conservation Archaeology at the Peabody Museum at Harvard University. Fred was appointed as a Principal to the leadership team in 2016. Fred moved to Arizona in 1981 to work for the Arizona State Museum, where he directed survey and testing operations for the Phase B portion of the Central Arizona Project from Picacho to Tucson. He subsequently became a field director and project manager for the Institute for American Research (now Desert Archaeology), with a research focus on prehistoric site structure and household economics. Prior to joining the staff of WestLand, Fred served as Director of Cultural Resources for Tierra Right of Way Services, where he directed numerous large survey and multi-site data recovery projects in both Arizona and New Mexico. Fred also owned his own business for 14 years and is able to combine his business and archaeological skills to successfully manage large cultural resources projects.


Craig Cannizzaro, PE

Director of Water/Wastewater Engineering / Principal, Tucson

Craig Cannizzaro, PE, Director of Water/Wastewater Engineering, has 19 years of experience in water and wastewater system design. Craig was appointed as a Principal to the leadership team in 2016. His work includes water supply, storage, and distribution systems as well as wastewater collection, pumping, and treatment systems. Mr. Cannizzaro has worked with numerous local and regional governments and utilities and provides water system planning and design services for water utilities throughout Arizona.

Rick W.

Rick W. Schonfeld, RLA, ASLA

Landscape Architecture Manager, Tucson

Rick Schonfeld, RLA, ASLA manages WestLand’s Landscape Architecture Department. He began his career in 1983 as a planner and landscape architect in the desert southwest, responsible for project management and design services on a wide variety of projects, including parks, habitat restoration, athletic fields, hotels, trail systems, picnic facilities, recreation facilities, urban plazas, resorts, housing development, commercial development, military installations, and roadway development. His technical expertise includes environmental and complete site analysis, visual analysis, water harvesting, native planting design, irrigation design, hardscape design, graphic design, and development of landscape maintenance guidelines.


Kristin Behrens

Director of Human Resources, Tucson

Kristin Behrens is our Director of Human Resources. She has over 15 years of experience in Human Resources, with 10+ years of those in a leadership position. She holds a Bachelor of Science in Business Administration and, prior to entering the Human Resources field, held positions in finance and contracting. She has been with WestLand since 2015 and is a member of the Senior Management Team. Kristin oversees all aspects of Human Resources for the company and feels fortunate to be able to be a resource for such a great group of people!


Rebecca Lowy

Information Technology Director, Tucson

Rebecca Maloney is a Senior Level Information Technology Director with over 19 years in program management, IT project management, and in the implementation of state-of-the-art information solutions facilitating company growth. She has expertise in managing projects within information systems, telecommunications and CAD/GIS environments, an ability to bridge technology and business goals to provide productive business solutions and has achieved success in leading and mentoring teams in a multi-disciplinary environment to maximize levels of productivity. Rebecca works closely with all functions of the business to drive optimal utilization of IT services and is an excellent communicator with emphasis on building strong client relationships and system troubleshooting.


Yvonne Green

Director - Marketing, Business Development and Communications, Phoenix