There are few greater examples of stewards of the land than worms which are the heart and soul of our system and company. Like worms, our systems naturally break down waste streams and convert it into byproducts that restore and revitalize agriculture, water sources, and even the air that we breath. BioFiltro delivers both sustainable and profitable wastewater solutions as we transform waste streams into beneficial byproducts and revenue streams.


Eva Diaz-Controller

Eva Diaz


Eva joined the work force straight out of high school, starting her career as an entry level receptionist. When the chance to add payroll to her responsibilities came up, Eva took it, and did the same when a bookkeeping position opened. After working for large corporations, Eva sought out an egalitarian work culture that fosters advancement, and joined Interactive Resources as a billings specialist in 2000. A natural problem-solver and numbers wizard, Eva continues to embrace new learning opportunities at BioFiltro, and today manages all accounting functions. She loves spending time with her children and walking with her dogs.
Read Bio
Francisco del Toro-Worm Wrangler

Francisco del Toro

Worm Wrangler

Francisco joined the BioFiltro team in 2016 after working for 15 years in the area of operations in different companies related to agriculture. He is currently in charge of operations for California’s Central Valley where he ensures that all plants in the southern and central areas of California are running properly and water samples are collected and sent for samples following proper chain of custody procedures.
Read Bio

Ignacio Vera


Ignacio Vera directs our engineering department and develops proposals and solutions for projects in US, New Zealand and Chile. Ignacio is also in charge of environmental permiting in Chile, and takes part in R&D projects. He trained as Civil Engineer in hydrology from the Universidad de Alicante in Spain, and later specialized in water resources management and water treatment technologies.
Read Bio
John Garn-Business Development Manager

John Garn

Business Development Manager

John Garn has over 25-years working with wineries to enhance their resource use efficiencies, in particular focusing on the water/energy nexus. This whole system approach has provided large, medium and smaller wine operations with new ways of thinking about their entire production process, saving energy, water and money. In the past 5+ years John has focused on the challenge of wastewater treatment and water reuse in the face of a severe California drought. The worms are very happy that John has joined their team!.
Read Bio
kurt wagner worm Head Decomposer

Kurt Wagner

Head Decomposer

Kurt is a 600 millionth generation decomposer who has been with BioFiltro since his birth. Native to California, he lends his aptitude in eating, burrowing, and regenerating waste into beneficial byproducts. He and his colleagues eat twice their weight daily in our systems, and love hanging out with their microbial friends. His hobbies do not include fishing or birdwatching but he loves to kick back with a fine wine or fruit juice. Kurt has had 460 children this year alone and they all love helping out in the family business! Sometimes he’ll get sassy and tell you to call him by his scientific name, Eisenia fetida, or that not all heroes wear capes!.
Read Bio
Mai Ann Healy-Head of Business Development

Mai Ann Healy

Head of Business Development

Mai Ann focuses on driving new business development, marketing, and sales for BioFiltro. Mai Ann joined BioFiltro after having worked in Argentina and Chile for Endeavor, an international organization that works to catalyze long-term economic growth by selecting, mentoring, and accelerating the best high-impact entrepreneurs from emerging markets. She also worked in new product development, sales, and logistics in Patagonia, Chile for Multiexport Foods, one of the world’s largest salmon processors. Mai Ann graduated from Middlebury College and holds certificates in innovation and entrepreneurship from the Stanford Graduate School of Business.
Read Bio
Mark Dodd-Business Development Manager

Mark Dodd

Business Development Manager

Mark is the Business Development Manager for the Central Valley of California, where he focuses on dairies and food processors. Since retiring from the U.S. Army, Mark has spent the last twelve years in project development, consulting and research in the government, petroleum and agriculture sectors. A graduate of California State University, Fresno with a degree in Business Administration, Information Management and a native of the Central Valley, Mark spends his spare time rooting for the Fresno State Bulldogs and traveling with his wife Cathy.
Read Bio
Matias Sjögren-Director of Engineering

Matias Sjögren

Director of Engineering

As co-founder and Head of Engineering, Matthias leads the overall direction of BioFiltro and its local offices, focusing particularly on research and development for each market. Before founding BioFiltro, Matthias worked in various companies where he oversaw the business development of the production and sales of beef, fruit, and organic fertilizer. His last position was project manager at a large fruit processor where wastewater was a constant concern. Matthias is a Civil Engineer and holds a MBA from Pontificia Universidad Católica de Chile and has won numerous awards in recognition of his leadership skills and innovative thinking.
Read Bio
Ricardo Aburto-Head Worm Wrangler

Ricardo Aburto

Head Worm Wrangler

Ricardo is an industrial civil engineer with a focus in energy and environment from the Adolfo Ibañez University in Chile. Before joining our team, Ricardo worked at Procter & Gamble in Chile and Panama as well as for CCU Chile Beverages. He currently serves as Head Worm Wrangler for the US where is he responsible for the wellness of worms and ensuring that they do their job efficiently, effectively, and happily 24/7. Ricardo leads a team of 5 operators to maintain the maximum performance of our plants while also developing new projects and technologies out in the field.
Read Bio
Sina Pram-Business Development Manager

Sina Pram

Business Development Manager

Sina Pram has a B.S. in Chemistry from the California State University, Fresno and a CWEA Lab Analyst I certification. As the Environmental and Operations Manager of BioFiltro, Pram conducts research in the analyzing how factors such as TSS, pH, electrical conductivity, biological loading demands, and hydraulic loading rates impact the vitality of the BIDA® System. He also manages the logistical operations of plant maintenance. Previously, Sina worked as an Environmental Technician for Tomatek processing plant. Sina served as E4 Corporal NCO for the United States Marine Corps where he also served as Class 9 Hazmat NCO in Iraq and Kuwait. Pram is a member of the American Chemical Society.
Read Bio

Andrés Iacobelli

Design Director & Board Member

Andrés is an Industrial engineer passionate for product and business design. He oversees product innovation and business model design at BioFiltro. He has extensive professional experience in both the private and public sector, both as founder and executive, with focus on infrastructure, urban development, housing policy and logistics. He serves as a board member of various companies focusing on infrastructure and innovation. Andrés has an engineering and master’s degree from Universidad Católica de Chile and a master’s degree from Harvard University.
Read Bio