Staff

Daryl Maas

Chief Executive Officer

Daryl grew up as one of the non-farming kids in a school full of farmers. After attending the Air Force Academy and various overseas deployments, he came back home to Skagit County, Washington and found a new kind of career in renewable agriculture. Daryl partnered with dairy farmers to supply manure feedstock to a community manure digester, to generate biogas fuel for renewable electricity. That model grew to four states and counting, and expanded to include renewable natural gas as well as electricity. Now with twelve years of constant expansion and 24-7 operations, Daryl possesses as much direct experience as a dairy digester developer and owner/operator as anyone in the US biogas industry. He has served as the start-to-finish developer of 21 successful digester projects, and continues to oversee continuous operations at 19 facilities.

Stephen Hatley

Chief Financial Officer

Stephen has been taking care of the company finances since 2010 when the California branch began.  He has over 15 years experience in financial administration and office management. He is involved with grant writing, tax exemptions, systems development, and other detailed oriented tasks.  He also enjoys volleyball, board games, and long conversations.  

Jordan Leichty

Director of Operations

Growing up on a family farm in Iowa, Jordan has always known the benefits farmers offer America. As Director of Operations, Jordan ensures that all of the digesters, gensets and various equipment entrusted to his department stay up and running at peak performance. He is also our lead Carbon Credits manager and go-to for all emissions offsets questions. Replacement parts, cows numbers, and carbon credits are all in a day's work for him. He consistently interacts directly with manufacturers, dealers, and utilities around the country - executing all the necessary parts of operating digesters spread throughout our growing market.

Nathan Nisly

Director of Development

Nathan comes to the California renewable energy market by way of Kansas. Fascinated by energy, machines, and industrial automation, he thrives at overseeing and executing the development phase of our projects. Electrical interconnection, project design, and permitting are a few of the worlds that he is immersed in. Nathan is also an expert on coffee, millennials, and the metric system.

Doug Bryant

Director of Communications

​Doug is MEW's dairy and public liaison, managing relationships with dairy owners, clients, and the general public to make sure that they have a clear understanding of who MEW is and what we do. He also manages all of our dairy agreements, marketing & media, and coordinates public events. Outside of work he’s usually investing time with his wife and three kids.  He enjoys mountain biking, Star Wars and collecting hours and hours of audio books.

Geovany Osorio

Director of Maas Motor Works

Hailing from Ecuador with a Masters in Business Admin and five years of experience as the General Manger of a manufacturing plant , "Geo" directs the Maas Motor Works branch of MEW. He manages the Genset building process from start to finish. This entails coordination with technicians, purchasing/spec'ing equipment, ensuring that packaging is moving forward on schedule, and that shipping is timely. He and his team have stepped up to the plate in an industry where specialty experience and attention to detail are vital and have churned out excellent end products.  

David Sparling

Director of Construction Management

David serves as our Director of Construction Management and has been invaluable to our company. With previous experience from management roles in past jobs, he has settled in nicely as the head of all construction. He now manages and oversees procurement and construction for all active projects. He takes over responsibility for our projects starting at the initial contract bid stage all the way through the transition to ongoing operations. If he was not at work, his ideal day would be traveling up a mountain with his family, mountain biking the whole way down, and sipping on some craft beer at dinner.

Hudson Davis

Development - Interconnection Project Manager

Hudson joined Maas in 2016 as the Interconnection Project Manager.  In this role he works with local utilities and government agencies to interconnect each project to the natural gas network or the electrical grid via state run programs and utilities processes. He also creates AutoCAD designs and coordinates on-site construction.  He values his family, friends and hobbies - such as woodworking and gardening.  He also enjoys reading philosophy, history, and economics, but most of all sipping a latte with a friend at a hipster coffee shop.

John Nichols

Maas Motor Works - Senior Technician

John was born and raised in northern California working on cattle ranches. He has over 30 years’ experience as a field service technician working on an array of diesel equipment, electrical controls, and other auxiliary equipment. He has become invaluable to the team, servicing existing generators in the field and packaging new ones in our Maas Motor Works shop.

Stephanie Guerrero

Development - Project Manager

Stephanie came to us from Southern California in 2017.  She is the primary regulatory liaison dealing with the permitting of the digesters and their clusters. With years of experience in administration and customer service she has interacted with a countless number of personalities and computer programs.  With a value to create things and connect with people, she especially enjoys drafting AutoCAD designs and crafting a well worded email.  She is also fond of exploring nature, singing, meaningful conversations and miscellaneous movie/tv quotes.

Byron Oja

Development - Design Engineer

Byron joined MEW after 3 years assisting in the mechanical design and construction of a particle accelerator at Michigan State University, his alma mater. The growth and skills acquired in that three years set him up well to serve MEW as our Design Engineer. He oversees and manages all of our various engineers ensuring quality control when it comes to our basis of design and project scope. He and his wife share a mutual love of their golden-doodle, Zion, the great outdoors, and are the resident experts on all organic, Non-GMO food choices in the office.

Jacob Krohn

Construction - Field Construction Manager

Born and raised in the Central Valley of California, Jacob has a valuable perspective that allows him to relate to and connect with our contractors and dairy producers.  As a former Sergeant and Squad Leader in the U.S. Marine Corps, with residential construction experience and a management focused degree in business; Jake brings knowledge, skill and leadership to his role as Field Construction Manager.  As our “boots on the ground”, Jacob ensures communication, problem solving and quality control are all taking place as he oversees construction.  Jake’s dog, Scout often accompanies him to his site visits as well as his outdoor adventures on his off days.  Jacob says Scout is, “…a strong proponent of Renewable Dairy Fuels for a green tomorrow.”

Eileen Martinho

Communications - Producer Relations

Eileen is a local point of contact in the Central Valley, representing Maas Energy Works in on-site meetings and events.  Having her available to our clients helps ensure that their needs are heard and that we can provide more satisfying services to milk producers in our great state.  Eileen comes to us from Congressman David Valadao's office where she served as his Fresno/Kings County field representative. She is a board member on the Kings Fair Foundation, a committee member for Kings County Dairywomen, a committee member for Kings County Dairy Princess Program and assists in FFA programs.  Eileen was raised on a dairy farm in Lemoore, California and now resides In Tulare with her husband, Jon. She also harbors a desire to prefect the baking of a French Macaroon and is getting very close!

Ande Baldwin

Construction - Construction Management Administor

Ande came to us early 2019 from a local management position in the seated comfort industry (Lay-Z-Boy). We hired her as a Construction Management Administrator. She has taken over handling invoicing, tracking budgets as projects are being built out, and has even started taking on light project management responsibilities and loving it! She has brought an amazing amount of value in helping centralize all our construction data to ensure we really harness every advantage in our industry by being able to compare and analyze all the different data points of the construction process.

Thomas Hayes

Operations - Operations Technician

Thomas came to us from New Zealand. He had a long and distinguished background in the New Zealand Air Force in a variety of roles and we saw an amazing opportunity in bringing him onto the team. He now assists our Operations Department with remote support and environmental reporting for the Low Carbon Fuel Standard. When he isn’t responding to text alerts from our sites he especially enjoys watching a good rugby match.

Taryn Zoe

Finance - Office Manager

Johann Maas

Junior Technician

Hann has been working on digesters just as long as his dad has. He's logged more road time than the CFO, and can work longer days than most Environmental Science MBAs. His specialties are manure shoveling and oil-pan diving.

Christianna Maas

Human Resources

Every office needs some human resources attention. HR has been there since Maas Energy Works was a desk in a wing of the bedroom, then a full bedroom, then a full basement, and now a new office by Redding Airport. We'd all be sadder and less self-aware without her. HR cares about you!

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Maas Energy Works, a dairy digester development company

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