
Alejandro Farfan
Alejandro Farfan
Sewer Line Inspector
BIO COMING SOON!

Dwight Carlisle
Dwight Carlisle
Sewer Field Supervisor
Dwight is one of our longest-tenured employees, moving from a simple sewer scoper position to a Project Manager for our Sewer team. A musician at heart, you can find Dwight playing bass in a local band or catch him practicing the guitar, mandolin, and drums at home! More than music, Dwight loves his two sons and appreciates raising them in Portland, where Dwight has lived for over 20 years. No matter what, if you have a Sewer question, Dwight will get you the answer!

Tyler Casiano
Tyler Casiano
Sewer Project Estimator
Tyler has been here for five years and now works as our Sewer Project Estimator, focused on client communication. Since his arrival at Environmental Works, Tyler has been a paragon of high-quality work and incredible communication skills. Tyler is also our resident green thumb, often bringing in home grown fruits and vegetables for our team. His dream of living off his own land, with his own small farm seems not far off. Between his skills as a pastry chef and the fresh food from his house, his generosity leads to delicious dishes at company events! Tyler brings a unique blend of skills and passions to the team and we're grateful to have him as part of our EWorks family.

Sam Deliso
Sam Deliso
Commercial Radon Testing & Mitigation Project Manager
With over 10 years of experience in the environmental consulting and remediation industry Sam's expertise is invaluable. Originally from Chicago, he now calls the beautiful Pacific Northwest home. Sam graduated with honors from the University of Washington with degrees in Environmental Science and Resource Management. He is certified by the American Association of Radon Scientists and Technologists for Radon Testing and Mitigation. He has played a role in restoring riparian areas, forest habitats, and ensuring indoor air quality in countless places. Sam's love for travel, food, and adventure stems from his parent’s former career as an American Airlines employee. Having the fortunate opportunity to explore different parts of the world at a young age, he now enjoys sharing these experiences with his wife and two children.

Tommy Elizares
Tommy Elizares
Drill & Pipe Lining Specialist
Tommy is a valued member of the Environmental Works family. With nearly a decade of experience with the company, Tommy now leads our Pipe Lining operations and works full-time alongside the Drill and Sewer teams. Born and raised in southeast Portland, Tommy has a strong connection to the area, with snowboarding and camping keeping him active and connected to Oregon’s outdoors. With his extensive skills and dedication, even accepting late closings and weekend work, Tommy is the go-to guy for any difficult task!

Kelsey Entrikin
Kelsey Entrikin
Accounting Manager
Kelsey Entrikin, PhD. is our incredible Accounting Manager. As a one-person accounting department, she handles all the transactions that flow through her office with a cool calmness that we all appreciate. Enjoying puzzles for fun in her spare time, Kelsey manages dual entry accounting for us in the same way, finding the right place for everything. We're so lucky to have Kelsey as a part of our team at Environmental Works.

Mark Harding
Mark Harding
Senior Radon Testing & Mitigation Specialist
With over a decade of experience in sustainable construction and custom building, Mark has extensive experience in green building practices, environmental testing, and radon mitigation services. His broad range of expertise includes projects ranging from installation and maintenance of radon reduction systems to environmentally friendly renovations and LEED-certified green construction. Mark is certified for radon measurement and mitigation through the National Environmental Health Organization’s – National Radon Proficiency Program (NEHA-NRPP) and has a broad knowledge of radon reduction equipment and practices. Mark has been with Environmental Works from the beginning and has installed and designed thousands of radon systems in Oregon and Washington.
Outside of work, Mark spends quality time with his 3-year-old son and every new experience is exciting and fun.

Billy Harding
Billy Harding
BIO COMING SOON!

Evan Keeling
Evan Keeling
Sewer Department Manager
As the head of the Sewer department, Evan is beloved by his crew and coworkers due to his respectful and supportive approach to managing his team. From a childhood in Missouri, collegiate soccer, and time in the culinary arts, we’re happy that Evan found his place here in Portland with our team. In his free time, he enjoys collecting baseball cards and seeking out exciting outdoor adventures with his wife, son, and dog. Evan is a true embodiment of dedication both in his professional and personal life.

Natasha Keller
Natasha Keller
HR & Office Manager
Natasha, our steadfast HR director and office manager, instantly made a name for herself on arrival. An organized, sociable, and thorough person, Natasha’s passion for her work has made the whole office more successful. Natasha is an important part of Environmental Works, from employee benefits to process management and streamlining office communications. When she's not behind the desk Natasha loves to spend time with her amazing daughter, enjoys traveling, and cooking.

Kyle Thurman
Kyle Thurman
Sewer Technician
BIO COMING SOON!

Matthew Lowrance
Matthew Lowrance
Owner
Matthew has over 8 years of environmental experience in both the public and private sectors. His areas of specialty include ecology, environmental site assessment, stormwater management, regulatory compliance, and construction project management. Matthew has conducted investigations at petroleum-contaminated sites, evaluated the effects of agricultural pesticides on Salmonid health, and participated in a variety of community and educational outreach programs. Additionally, for three years he worked for the Oregon Department of Environmental Quality as a Natural Resource Specialist. His close working relationships with clients, as well as with local, state, and federal regulatory agencies, enable him to address the concerns of all parties in framing solutions to environmental problems.

Em Mickelson
Em Mickelson
Sewer Line Inspector
Em is one of our professional and dependable Sewer Inspectors, highly admired by our clients for their efficiency and exceptional service. A thoughtful introvert, Em loves spending time at home with their dog Pepper, playing board games and doing puzzles. With a flexible schedule that sends them to different parts of our extensive service area, Em enjoys exploring new areas and finding new little areas while on the go during work. We trust Em to make the most of every situation and complete every job thoroughly and thoughtfully.

Joel Migliaccio
Joel Migliaccio
Owner
Joel oversees day-to-day management of the company’s field operations with a primary focus on the Radon and HDD Divisions. Joel led the growth and development of each service division at Environmental Works, inspiring a culture of hard work and the philosophy of getting the job done right.
His 15 years of experience as a construction project manager, general contractor and environmental scientist brings a perfect blend of expertise that puts the service quality at Environmental Works above the rest.
He received his Masters of Science in Environmental Science and Resources from Portland State University in 2007. His areas of technical expertise include radon measurement and mitigation, sustainable building practices, storm water management, and freshwater ecology. Joel is certified for radon measurement and mitigation through the National Environmental Health Organization’s – National Radon Proficiency Program (NEHA-NRPP) and has installed more radon mitigation systems throughout the Portland Metro Area than we can count.

Landon Wesley
Landon Wesley
Tank Locator
BIO COMING SOON!

Sol Migliaccio
Sol Migliaccio
Radon Testing & Mitigation Specialist
A born Oregonian, Sol is now settled in Portland as our Radon Testing & Mitigation specialist! Joining the team in 2015, we rely on Sol for experienced knowledge about Radon and mitigation systems. Sol is certified for radon measurement and mitigation through the National Environmental Health Organization’s radon proficiency program. He has designed and installed hundreds of radon systems in Oregon and Washington. Outside of work, Sol enjoys cooking delicious food, going to metal shows, and, most importantly, spending time with his family and friends.

Lionel Mills
Lionel Mills
Heating Oil Tank Department Manager
Lionel is the Manager of the Heating Oil Tank department, working his way up from being hired as a Field Technician in 2019. Born on Maui, Lionel’s athleticism propelled him into a spot on the University of Portland’s Division One soccer team. Staying in the area after graduation, Lionel has brought his degree in Environmental Science and his Underground Storage Tank certification to Environmental Works. While his free time remains athletic, playing soccer when he can and riding the slopes when the snow falls, work at his job ensures that our projects are always done correctly, up to DEQ standards.

Adam Schimelfening
Adam Schimelfening
Senior Report Writer
Our sole remote employee, Adam is our Senior Report Writer here at Environmental Works. With degrees in Earth Sciences and Biology, he brings his love of the Earth to work. Adam now works remotely from Minnesota, moving closer to family while raising his two boys. In his free time Adam enjoys volunteering on dinosaur digs, combining camping, scientific discovery, and a great workout! Fun fact, Adam can be seen featured in the Jurassic Park 3 DVD special features!

Andrea "Andie" Smith
Andrea "Andie" Smith
Underground Division Coordinator
Andie, our HR, Office Manager & Marketing Coordinator is our mama bear around the office – keeping us on our toes when required and giving us love when needed. Her contagious smile keeps everyone happy and her willingness to go the extra mile demonstrates her kind and loving spirit. In the 7+ years that she’s been with EWorks she’s been able to help create and grow the culture that our company is known for – work hard, play hard. The knowledge she possesses and her willingness to adapt in any situation keeps our employees and customers coming back for more.
Favorite Quote / Life Moto: "Be who you are and be that well."
Nicknames: Andie, mama, sis, sunshine
What is your favorite drink?: Coffee is my first love. Vodka/Soda is a close 2nd!

Andy Klopfenstein
Andy Klopfenstein
Senior Geologist
BIO COMING SOON!

Jeremy Olson
Jeremy Olson
Service Manager & Commercial Estimator
BIO COMING SOON!

Emily Oliver
Emily Oliver
Marketing & Business Development
BIO COMING SOON!

Nathan Strassmaier
Nathan Strassmaier
Radon Testing & Mitigation Specialist
BIO COMING SOON!

London Lovendahl-Laird
London Lovendahl-Laird
Radon Project Coordinator
London, our diligent Radon Project Coordinator manages project scheduling, permitting, customer communication, and operational coordination to ensure each mitigation project runs efficiently from start to finish. After earning her master's degree and beginning her career in education, she transitioned into project management and operations, bringing strong leadership, organization, and process management skills to the team. Outside of work, London enjoys traveling, camping with her dogs, and operating a Sprinter van rental business with her partner.

Cody Starr
Cody Starr
Marketing & Business Development
BIO COMING SOON!

Colby Hilligoss
Colby Hilligoss
Sewer & Drain Inspector
BIO COMING SOON!

Kyle Hull
Kyle Hull
Plumber
BIO COMING SOON!

Jacob Hayes
Jacob Hayes
Sewer Line Inspector
BIO COMING SOON!

Rashell P
Rashell P
Customer Care Specialist
BIO COMING SOON!

Samantha Tamtreng
Samantha Tamtreng
General Business & Operations Manager
BIO COMING SOON!

Kira C
Kira C
Accounting Assistant
BIO COMING SOON!

Mason Durocher
Mason Durocher
Customer Care Specialist
BIO COMING SOON!

Alex Copeland
Alex Copeland
Radon Field Supervisor
BIO COMING SOON!

Cody Starr
Cody Starr
Marketing and Business Development
BIO COMING SOON!

Patrick Gurley
Patrick Gurley
Vac Truck Operator
BIO COMING SOON!
