Meet our principal staff

Registered Landscape Architect, CA #4461
Registered Landscape Architect, CA #4461
With over 30 years of experience, Tim is an expert in analyzing, planning, and designing built and natural environments. He skillfully navigates complex regulatory processes, collaborating with multi-disciplinary professionals to deliver high-quality, aesthetically pleasing, and environmentally sensitive projects.
Tim’s diverse portfolio spans residential, commercial, industrial, and public projects, ranging from small single-lot developments to new community master plans. His expertise has been applied in various regions, including the San Francisco Bay Area, Virginia, Philadelphia, and Chicago.
For the past 26 years, Tim has focused on Northern California, successfully managing many of Sharrah Dunlap Sawyer’s largest projects through the entitlement process.
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More about Tim
Professional Registration
- Licensed Landscape Architect No. 4461, California Board of Architectural Examiners
- American Society of Landscape Architects, Full Member No. 738360
Education
- University of Virginia, School of Architecture, Master of Landscape Architecture, 1993
- University of California, Berkeley, College of Environmental Design, Bachelor of Arts in Landscape Architecture with Honors, 1991
Continuing Education
- Administration and Enforcement of Wetlands and Endangered Species Regulations
- Clean Water Act Section 404: Nationwide and Other Specialized Permits
- Erosion Control and Land Restoration
- Legally Defensible Environmental Review Under CEQA in California
- Subdivision Map Act Workshop
- PSMJ Project Management Bootcamp & Principals Bootcamp
Community Involvement
- Shasta EDC Board of Directors, 2023
- Shasta County Planning Commissioner, 2015 – present
- City of Redding Planning Department Interview Panel Member, 2006, 2014 and 2022
- Friends of Whiskeytown, Inc. Board Member, 2009 – 2011
- City of Redding 2007 General Plan Update Committee Member
- City of Redding Technology Committee Member, 1999
- Greater Redding Chamber of Commerce – Redding Zoning Ordinance Review Committee
- City of Redding Small-Lot Residential Development Guidelines Committee
- Viva Downtown Redding Design Committee Member
- City of Redding Architectural Review Committee Member for the Airport Industrial Park
- Redding Community Creek Clean Up Program
- Turtle Bay Museum Famous Artist Program – Art Docent for Grant Elementary School
- Volunteer Art Instructor, Grant Elementary and Manzanita Elementary Schools

Project Manager
With a proven 41-year track record, Mike leverages his planning and engineering expertise to deliver projects that consistently exceed expectations. As a project manager at SDS since 1989, Mike has overseen a wide range of projects across Northern California, including: schools; residential subdivisions; parks; commercial and industrial developments; and public facilities.
With expertise navigating complex planning and engineering approval processes, Mike skillfully manages projects to meet client expectations while balancing political, financial, and environmental considerations.
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More about Mike
Education
- Chabot College, Hayward, Science and Mathematics Division, Associate of Science in Civil Engineering, 1981
- University of California, Berkeley, College of Engineering, Engineering Courses, 1982
Continuing Education
- Administration and Enforcement of Wetlands and Endangered Species Regulations
- DAR Open Channel and Pressure Flow Hydraulics
- National Flood Insurance Program Seminar
- Leadership Development and Team Building
- PSMJ Project Management Bootcamp
- PSMJ Principals Bootcamp
Community Involvement
- City of Redding Small-Lot Residential Development Guidelines Committee
- City of Redding Tree Ordinance Committee
- City of Redding Interview Panel for City Engineer
- Facilities Development Committee – Neighborhood Church of Redding
- Redding Community Creek Clean Up Program
- Junior High and High School Basketball Coach – Redding Christian School
- Redding Youth Soccer League Coach

Professional Land Surveyor, LS 8184
With over 25 years of experience as a land surveyor, Josh has worked on a diverse range of private and public sector projects across California, Oregon, Washington and Georgia. His expertise spans a broad array of survey services including subdivision mapping, boundary and cadastral surveys, ALTAs, right-of-way and easement descriptions, elevation certificates, topographic and design surveys, and construction staking.
As Survey Manager at SDS since 2005, Josh oversees field surveys, map preparation, and construction staking. Under Josh’s leadership, SDS has adopted cutting-edge technologies, including robotic stations and GPS systems, enhancing survey efficiency and accuracy.
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More about Josh
Professional Registration
- Licensed Land Surveyor No. 8184, California Board for Professional Engineers and Land Surveyors
Education
University of California, Santa Barbara, College of Letters and Science, Bachelor of Arts in Environmental Studies and Urban Planning, 1996
Continuing Education
- Subdivision Map Act Workshops
- Legal Principles of Easements
- ALTA/ACSM Survey Workshop
- CEQA Basics: Understanding the California Environmental Process
- Global Positioning Systems (GPS) Training Course
- AutoCAD and MapCAD Skills Workshops
- Leadership Development and Team Building
- PSMJ Project Management Bootcamp
Community Involvement
- Redding Youth Soccer League Coach, 2015
- Professional Development and Community Awareness Lecture Series

Professional Engineer, CA #70840, QSD/QSP
Ian is an accomplished civil engineer and project manager with over 20 years of experience in land development. His expertise has helped shape the northern California built environment, with over 1,000 residential lots designed and constructed. His comprehensive knowledge spans:
- Road design and infrastructure development, including grading, drainage, pavement, water supply, wastewater collection, and storm drainage systems
- Stormwater management, encompassing design, hydrology, hydraulics, and post-construction mitigation plans
- Storm Water Pollution Prevention Plans (SWPPP) preparation and implementation
Through collaborative relationships with local government agencies, Ian delivers tailored solutions that meet the unique needs of our clients.
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More about Ian
Professional Registration
- Professional Civil Engineer No. 70840, California Board for Professional Engineers and Land Surveyors
- Qualified SWPPP Developer and Practitioner No. 00189
Education
- California State University, San Jose, College of Civil and Environmental Engineering, Bachelor of Science in Civil Engineering, 2003.
Continuing Education
- New General Construction Storm Water Permit Update Seminar
- Statewide Construction General Permit Overview Workshop
- Design and Installation of Buried Pipes Seminar
- Administration and Enforcement of Wetlands and Endangered Species Regulations Seminar
- DAR Engineering, Hydraulic Engineering Training Program
- Erosion and Sediment Control Workshop
- Shasta College Leadership and Management Development Series
- Leadership Development and Team Building
- Statewide Industrial Permit Overview Workshop
Community Involvement
- Leadership Redding Class of 2008/2009
- Active 20/30 Club (President, Vice-President, Board Member) 2009-2017
- American Public Works Association Member
- Alta Mesa, Sunset and Kids Kingdom Playground Community Construction Projects
- Redding 20 Under 40 Class of 2014
- East Redding Little League coach
- Redding Rotary Member