Glenn Nardelli

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As a founding principal of Pistils Landscape Design, Glenn has an abiding passion for creating original outdoor spaces that are inspiring, functional and exceptionally responsive to the client's vision. With an emphasis on collaboration, Glenn is fully engaged with clients, designers and installers from conception to completion of every project. While a "design geek" at-heart, Glenn's greatest source of joy comes from transforming clients' landscapes to improve their quality of life. Whether it's manifesting new outdoor spaces where clients will form memories with families and friends or providing enhanced opportunities to engage with the natural world, he's all-in.

mégan Twilegar

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Raised in Boise, Idaho, Mégan grew-up riding horses on the stunning wilderness trails of the Pacific Northwest, continually inspired and enamored by the wonders of nature all around her. Ever-since, her professional life has been devoted to finding creative ways to share her profound appreciation for the natural world with others. As a founding principal at Pistils Landscape Design, Mégan lends her decades of professional experience in the world of horticulture – nursery owner, propagator and all-around plant guru – as well as her impeccable insights on all-things landscape design to every project we take-on.

Mikiel Deguara, ASLA, PLA
Landscape Architect

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Mikiel’s passion for landscape architecture grew from his desire to improve the quality of the urban jungle. He embraces the notion that urban living should be a self-sustaining and nurturing environment for culture and community, while also respectful to the natural landscape. Mikiel is a licensed Landscape Architect in the state of Oregon and brings over 10+ years of design experience to Pistils Landscape Design. In addition to his love of design, Mikiel is steadfast to his commitment of improving the quality of clients' lives through landscape architecture. The most satisfying part of his job is collaborating directly with clients to accomplish their landscape goals. 


Francisco Gallegos
Assistant Designer

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Francisco’s design philosophy stems from his understanding that as our communities develop, our relationship with the natural environment is continuously stretched. He believes that a successful garden design is one that promotes diversity, creates order and visual harmony, and is simultaneously educational. 

Jesse Waldman
Brand Development

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Jesse joined the Pistils Nursery team in the summer of ’13. In house photographer, web developer and social media guru, Jesse splits his time between Pistils Landscape Design and Pistils Nursery. When not photographing and writing about plants, you can find him playing classical piano, working in his garden, or cooking a lavish meal.

Stephanie turner
office Administrator

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Stephanie joined the Pistils family in the fall of 2013 and has a passion for numbers and keeping things organized. When not at Pistils you can find Stephanie with her husband and two boys at their home in North Portland or taking pictures with her Nikon camera.


Mark Stevens
Plantsman, Field Manager

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For years, Mark has been working in the plant realm. His early horticulture experience spanned from greenhouse production to various nurseryman roles. Currently, as a project manager and designer, he is fortunate to bridge the Pistils design team and install crews, working to inform each perspective of the horticulture-related nuances.  

David Stuart
Project Manager

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David's love for art and nature led him to study landscape architecture at Purdue University. Now, with over 9 years of experience in the landscape design industry in all aspects of the field, he is motivated by his desire to shape the built environment into enjoyable spaces that are also sensitive to local ecology. 

Darrin Craig

Lead Contractor

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Darrin has been collaborating with Pistils Landscape Design since its inception over a decade ago. As our lead contractor, Darrin and his crew manage our stone masonry and other elements of our installation projects. When not at work on a project, you might find him performing on his guitar with one of mutliple bands around town.