Engineering Change

Harvesting Clean Water in the Amazon

Systems Completed

Liters Water Storage

People Served

Chapters Involved

Cornhole Tournament Fundraiser!

When: Saturday, July 13, 2024 at 11 am

Where: Finley Park, 2060 West College Avenue, Santa Rosa

What: Family fun day at the park with delicious food, local brews, and a friendly cornhole competition. Family and friends encouraged! Feel free to bring picnic blankets, lawn chairs, shade canopies, and lawn games.

Join Our Cause

Help us work towards another successful project implementation. Our work would not be possible without the generous team of supporters that design, build and report on our projects. Not an engineer? No problem! Our organization goes beyond engineering and we would love your support with grant pursuit, fundraising, education curriculum development, website and social media support, or any other ideas that you can bring to the table. Now is the time to get involved! Click below to donate or join our team as a volunteer.

Amazonas Project, 2023

Project Cycle

01: Assessment
  • Village Requests help
  • Project site is located
  • Signed Community Agreement
  • Data collection
02: Design
  • Alternatives Analysis
  • Drawings
  • Calculations
  • Material Take offs
  • Budgeting
03: Implementation
  • EWB Travels to project site
  • Construction
  • Education
  • O&M Training
04: Monitoring & Evaluation
  • Long Term (5 year min)
  • Assisting with maintenance
  • Continued Education

EWB Peru Project Roadmap

Recent Projects

2020: Grau Phase I
2021: Grau Phase II
2022: Amazonas

Our Team

Kevin Marx, President

Kevin Marx graduated with a bachelor’s degree in architectural engineering from California Polytechnic State University, San Luis Obispo. Kevin has practiced structural engineering for 8 years in Sonoma County and specializes in winery, residential, and essential service structures. He joined EWB in 2021 and recently help implement the Amazonas 2023 system. Beyond EWB, you can find Kevin playing sports or experimenting in the kitchen.

Callie Charleton, Vice President

Callie graduated from Cal Poly, San Luis Obispo with a bachelor’s in environmental engineering in 2021. She became involved with EWB in 2018 helping to start a chapter at Cuesta College and presenting about the experience at the 2019 EWBUSA conference. In 2020, she authored a paper and presented it at the American Society for Engineering Education conference on the collaboration between community colleges and 4-year colleges in EWB. Outside of engineering, she enjoys travel, having been to 18 countries and lived in Spain teaching elementary school English.

Ryan Krostag, Project Lead

Ryan Krostag graduated with Bachelors and Masters degrees in Civil Engineering from California Polytechnic State University, San Luis Obispo. Ryan joined EWB in 2020 to help people with limited opportunities to increase their quality of life in ways that can be passed down to future generations. Outside of work, Ryan perfects his home brewing recipes and shares the exploits with friends and colleagues.

Christine Strong, Asst. Project Lead

Christine studied Civil Engineering at Cal Poly, San Luis Obispo, with an emphasis on structural design. She has been practicing structural engineering since 2020, including some time in residential design before moving into her current role in the temporary structural design and construction industry. Christine enjoys a busy schedule, filling her days with practicing yoga, cooking with friends, exploring local hiking trails, and picking up new hobbies.

Joe Giesa, Treasurer

Joe Giesa graduated with a Bachelors degree in Civil Engineering from California Polytechnic State University, San Luis Obispo. Joe is a practicing engineer with 3 years experience in Sonoma County. He joined EWB in 2021 because of welcome suggestions from friends and colleagues to combine his passion for volunteer work with his industry experience. Joe loves playing guitar and making music.

Chuck Corley, Secretary

Chuck graduated with Bachelors and Masters degrees in Electrical/Electronic Engineering from California State University Sacramento. Chuck retired from his career in 2021. Our longest standing volunteer, Chuck joined EWB in 2015 with a desire to use his engineering skills to help people. Outside of EWB, Chuck adventures through the outdoors – biking, hiking, skiing and snowboarding.

Dennis Johnston, Fundraising

Dennis graduated with a Bachelors degree in Architectural Engineering from California Polytechnic State University, San Luis Obispo. Dennis recently moved into construction in WA state after 4 years practicing as a structural engineer. He joined EWB in 2017 to help use his education for good. Outside of work, Dennis is usually enthralled in whatever random hobby has caught his eye, from ceramics to mountain biking.

Glenn Reese, Expert

Glenn works with all the chapters involved in the Loreto region of Peru. initially part of the Houston chapter, Glenn joined Sonoma county and leads the collaborative efforts of our work, helping to standardize our work, foster knowledge sharing, and coordinating complicated logistics during implementation season.

Steve Isaacson, Mentor

Steve Isaacson with Bachelors and Masters degrees form Kansas State University, and Long Island University, respectively. Prior to retirement, Steve served as a project manager for 16 years working MEP & Automation on large scale projects in the Bay Area. Steve joined EWB in 2017 to help provide safe water to the Peruvian Amazon. He had previously traveled the area and witnessed the need being filled through EWB projects. His favorite pastimes are being a steward on the country property he lives on, and keeping his two golden retrievers happy.

Frequently asked questions

If you are looking to get involved, please join us at our general chapter meetings, listed on our calendar, where there will be members from our different project teams. If you join our mailing list, you will be notified about upcoming general chapter meetings as well as chapter-wide events and fundraisers.

If you are looking to volunteer in general, contact sonomacountyprofessional@chapters-ewb-usa.org

Of course! Just like any organization, there is tons of work to do on the back-end to make our work successful. We need all kinds of help from fundraisers, grant coordinators, translators, social media and web designers and more. Regardless of your expertise, we can work together to find the right role for you!

The EWB-SCP general chapter meetings are the first Tuesday of every month held over Google Meet due to COVID-19! When we get back together in person, our meetings will be held at the ZFA Structural Engineers conference room at 1212 4th Street, Santa Rosa CA.

EWB-USA requires that you be a member through Volunteer Village (check out all the free resources!) and encourages that you be an active and contributing member of the project team for at least 6 months. We believe that travel is an essential part of our work to help build relationships with the communities we serve and as growth opportunities for our members. If you are actively engaged with our work and interested in travel, we will find a way to make it happen!

Nope! We totally understand if you want to join our group without the hassle of travel. We have lots of opportunities locally and are always trying to grow our work with Community Engineering Corps.

Still have questions?

If you cannot find an answer to your question in our FAQ, you can always contact us
and we will be with you shortly.

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