Bill Neumann
President and Managing Principal
Bill has a 29-year proven track record in the planning and design of parks, trails and greenways. He understands the importance of creating spaces that benefit communities, while respecting natural systems, sensitive landscapes, habitats and cultural/historical sites. On every project, Bill considers the construction phase of a project equal in importance to the design process. Bill has managed and been part of large multi-disciplinary teams, including planners, engineers, surveyors and ecologists. Bill believes in producing high quality designs and illustrative graphics to help clients visualize the design intent.
Jason Jaynes
Managing Principal
Jason has been involved in a broad range of projects, including hospital campus planning, community centers and parks, single family residential design, neighborhood master plans, and affordable housing projects. Jason has been directly involved in numerous LEED Certified and sustainably focused projects in the region. He believes that the components of environmental stewardship, functionality and human comfort are inextricable from the design process and the ultimate, lasting quality of a built project.
Ann Christensen
Managing Principal
Ann is a licensed landscape architect with over 25 years of experience. Her work focuses on redevelopment and urban design. Ann also leads many of DHM’s National Park Service contracts. She has a strong emphasis on economic and ecological aspects of projects, seeking ways to emphasize creative design solutions that balance economic, social, and environmental sustainability. She recently participated in the design of a transit hub for the Grand Canyon and a master plan for the Crow Canyon Archaeological Center campus in Cortez, CO. Ann has managed the Durango studio since 2004, growing a diverse portfolio of projects and a staff of 8 talented employees.
Joy Gess
Principal
DHM has gone through some groundbreaking changes in the past decade and Joy has led the financial and business end of the firm with great efficiency and skill. Joy is the Business Manager for DHM, helping the company through the Employee Stock Ownership Plan transition, navigating us through employee benefits and helping the firm grown to its current four offices.
Mark Wilcox
Principal
Mark’s passion lies in his sketching ability. Through pencil and paper he is able to communicate to clients that the design idea is possible. He has been involved in a variety of projects; planning and designing athletic fields, parks, trails, public facilities and residential communities. Mark’s contributions to DHM showcase his many diverse talents from managing projects to creating beautiful color renderings, planning and designing parks, trails and greenways and understanding the technical aspect of implementing these designs. His outstanding abilities have led to DHM’s success with the award-winning Sand Creek Greenway.
Mike Gasper
Senior Principal
Mike has over 39 years of diverse project experience in planning and landscape architecture. As a Senior Principal, he has proven leadership capabilities in guiding complex multi-disciplinary teams and successfully navigating the stakeholder outreach and consensus building process. Mike moves effortlessly between public and private sector projects with an in depth understanding of the diverse issues that influence successful and creative decision making.
Stephen Ellsperman
Principal/Director of Ecological Planning
Stephen has 23 years of experience in all aspects of natural resource management, permitting, and planning. From park and open space management to wetland design and construction, Stephen’s work is permeated by his deep connection to ecological relationships. He is passionate about the protection and understanding of native ecosystems and strives to harmonize project planning with ecological conditions and future opportunities. Stephen’s ability to translate the ecological processes at work within each project is an invaluable resource that enriches both the design and the client’s attitude towards environmental awareness.
Walker Christensen
Principal
Walker Christensen is a Principal with DHM Design in Durango, Colorado. His valuable professional experience specializes in public parks, hot springs, stream and wetland restoration, stormwater reuse, adaptive reuse and sustanable design. Walker has worked on many projects through Colorado and the West that involve community planning, detailed landscape architectural design, drainageway restoration, sports park, trail and wayfinding designs. He has a special affinity for projects in small towns and the positive impact they have on these rural communities.
Eileen Kemp
Principal | Federal Projects Manager
Eileen is a leader in recreational facility planning and design with twelve years of experience helping communities and federal agencies develop effective and sustainable solutions. Her dedication to responsible design and excellent client service has led to a wide range of successful projects. Throughout the design process she is always thinking about the visitor experience and how each project fits within the overall fabric of our park systems. Eileen believes that with each type of project the end user, a child playing soccer, or a family visiting Rocky Mountain National Park, entrusts us to enhance our open spaces and conserve our nation’s treasures.
Matthew Whipple
Principal
Matthew is a leader in parks, recreational, open-space, and educational campus facility planning & design with 20 years of experience helping communities and government agencies develop effective and sustainable solutions. His dedication to responsible design and excellent client service has led to a wide range of successful project types and scales. Matthew’s extensive experience with existing and proposed recreational facilities, knowledge of natural resource issues, detailed design and construction experience, understanding of development costs and outstanding communication skills allow him to exceed project management expectations.
Marc Diemer
Principal
Marc is a licensed landscape architect and urban planner whose diverse project experience includes mixed-use communities, parks, estate properties & gardens and world-class resort destinations around the world. He brings a well-rounded perspective and keen insight to project teams with additional experience in construction management and economic development planning. Marc values a collaborative design process and is adept at building consensus among project stakeholders while leading teams towards sustainable and artful design solutions.
Karen joined DHM in 2001 with experience in both private and public communications, PR, business communication and design. With a degree in Communications, and two decades of experience, Karen creates and implements marketing materials, publications, collateral, and online strategies. Karen also manages the firm’s competitive proposal and interview process, with team building that supports public sector pursuits and has helped win numerous regional and nationwide National Park Service contracts.
Jennifer Dicuollo
Principal
With a strong background in architectural studies, art, and landscape architecture, Jen believes in the transformative value of detail. She uses color, texture, and materiality to shape the client’s experience and to define the personal expression of the space. She focuses on nature and uses natural elements as inspiration for the built environments that she helps shape.
Alex Fales
Associate
Throughout his life, Alex has developed an eye for representing the natural beauty in our world. After receiving his BSLA from Iowa State University in 2012, he has further pursued his interests in landscape design and self-expression. From freelance Residential design and labor in Iowa to practicing permaculture in the arid climate of Utah, he has held on to his passions of facilitating the reconnection of the people to the land, which brought him to our office in Carbondale.
Andrew Ehat
Administrative Assistant
Andrew Ehat is a graduate from New Mexico State University with a degree in Business Administration. Having been living in the desert for the last few years, the Mountains were calling. Durango is home and having interned for DHM a few years ago it was a perfect fit. With an impressive customer service background, photography skills and willingness to learn Andrew adds extra value that is hard to find. In his free time he tries to stay outdoors as much as he can with passions including golfing, hiking, fishing, snowboarding and snowshoeing.
Ashleigh Quillen
Senior Associate Landscape Architect
Ashleigh is a Senior Associate at DHM Design with 8 years of professional experience in landscape architecture and ecological restoration. She has a keen understanding for the overall vision of a project and has successfully managed numerous complex projects from concept through construction. Her portfolio of work includes ecological restoration projects throughout the Rocky Mountain region and the Colorado Front Range, urban drainage improvement projects, Federal work with the USFS and the NPS, schools, ranch master planning and design, and urban parks. Having lived in the southwest her entire life, Ashleigh intimately understands Rocky Mountain landscapes. Her background in earth sciences and interpretive tour guiding inspire her to integrate projects with the surrounding ecology, geology, and social landscape.
Audrey McLaughlin
Associate
Audrey seeks to develop responsible and innovative design solutions for public and private landscapes that respect and intuitively consider the ecological, social, historical, economic and aesthetic integrity of a place. Gaining her Bachelors in Landscape Architecture from the University of Oregon and working 3 years in the professional field, Audrey has grown passionate about understanding how natural and cultural systems work and how they can be created, enhanced, and revitalized through thoughtful design solutions. Representing these design solutions through the use of compelling and legible graphic representations is the challenge that she seeks to overcome in every design project. When not in the office, Audrey enjoys spending her time skiing, mountain biking, backpacking, and exploring the endless slot canyons hidden in the southern Utah desert.
Cammie Willis
Associate Landscape Architect
Cammie hopes to inspire others to respect and care about the environment through landscape design. In order to achieve this objective, she strives to incorporate sustainable and artistic design solutions that positively impact the environment while simultaneously improving human quality of life. Her personal interests in the field of landscape architecture include planting design, preserving natural systems, designing for the public sector, and creating stimulating learning landscapes for children.
Christopher Fortin
Associate Landscape Designer
Christopher joined DHM Design as a graduate of Colorado State University, with a Bachelor of Science in Landscape Architecture. He was a 2015 Student Merit ASLA Award winner for showcasing outstanding projects throughout his time at Colorado State. Christopher is interested in designing landscapes that allow the user to interact, learn, observe nature and implement unique artistic elements of design. When he’s not at work he enjoys fishing, golfing, and being a handyman at home. Christopher also leads the Denver office’s Sketch Club which aims to provide encouragement, motivation and inspiration for sketching in public.
Delia Bolster
Senior Designer
Delia endeavors to understand the nuances of how communities shape their surrounding landscape and is proud to be a facilitator in designing that environment. She is an eager learner who is passionate about designing through various mediums; however, she finds landscape to be the most fascinating and challenging, and thus the most rewarding.
Erin Anderson
Landscape Designer
Erin joined the DHM Denver office as a 2020 graduate of Cal Poly, San Luis Obispo, with a Bachelor’s degree in Landscape Architecture. She is interested in landscapes that inspire and provide for people that surround them, both mentally and physically. Her design philosophy is that landscape is not only art, but a shaped form creating bigger pieces of a system. In her free time, you can find Erin exploring Colorado, kayaking, or line dancing.
Garrett Watkins
Associate
Garrett Watkins is a graduate from the University of Oregon. He received his Bachelor Degree in Architecture with a minor in Environmental Studies. His interest in Landscape Architecture revolves around the understanding of place and how designers can create meaningful solutions for people and their surroundings to engage with one another. With a degree in Architecture, Garrett’s early work focused on the interaction between the built environment and systems of landscapes. With three years of professional work in the field, Garrett has become passionate in how 3D modeling can help quickly communicate the many challenges and solutions designers face throughout various phases of design.
Jeremy Allinson
Senior Associate, Natural Resource Programs Manager
As a Senior Environmental Planner and Natural Resource Programs Manger, Jeremy has extensive experience in environmental project planning; NEPA compliance; natural resource investigations; aquatic and hydrological assessments; Impact assessment and analysis; permitting compliance; restoration design; mitigation planning and construction administration. His experience involves managing a wide range of planning and development projects both in the public and private sectors. A native to Colorado, Jeremy gets his inspiration from being outdoors, hunting and fishing. Professionally, he believes in striking a balance between environmentally responsible development and protection of natural resources.
Jess Farrier
Proposal Coordinator
Jess is a graduate of CSU Fort Collins and joined our DHM marketing team as a Proposal Coordinator in 2018. Her previous experience includes work at a local engineering firm and she has a degree from CSU in Business Administration and Management. When she’s not working she is with her family and friends enjoying the outdoors. Jess also loves watching her baby girl learn and grow.
Jessica Bannon
Senior Designer
Jessica joined DHM design in 2018 as a graduate of Colorado State University with a passion for creating ecologically-focused, artful landscapes. She volunteers as a board member and an ambassador for communication between environmental-related professions in the organization Gardens Restoring Our World. She enjoys using permaculture principles to organize, design, and implement landscape design in urban and rural environments of Colorado. In her free time, you can find her hiking, traveling, and enjoying live music of all kinds.
Jonathan Rose
Natural Resource Coordinator
Jonathan grew up in West Michigan, where from a young age he developed a deep appreciation for nature, spending his early years exploring the ravines, streams and ponds of his back yard. Since receiving his degree in Natural Resources Management in 2012, Jonathan has gained experience working in both the private and public sector in Michigan and Colorado. He has project experience in wetland and stream restoration, vegetation monitoring and sampling, GIS mapping and noxious weed management.
Josh Spinner
Associate
Josh is inspired by people. As a designer, creating places for people is a priority he considers in every project. He believes design is the tool that can solve problems at any site or scale, helping close inequality gaps and promoting higher levels of social and environmental justice. From hand sketches to three dimensional models, Josh is great at seamlessly working between software programs to produce the most dynamic and compelling graphics to convey a design idea. He remains involved with students at his alma mater, the University of Colorado Denver, assisting in portfolio workshops, sharing experiences in professional practice, and providing graphic tips and tricks.
Kaitlin Weber
Senior Designer
Kaitlin joined our Denver office in 2018 with a Bachelor’s Degree in Landscape Architecture from Colorado State University. She has a passion for landscapes that create a connection between people and the nature around them through thoughtful design and aesthetic. Having grown up in Colorado, she understands the significance of the American West and strives to reflect that in her work. Kaitlin finds inspiration not only in nature but in the healing aspects that our work can embody. In her free time, Kaitlin loves spending time with her husband and their families. Together, they enjoy going on outdoor adventures with their dog Bosko.
Kyle Davis
Senior Associate
Kyle joined DHM in 2006 and is an accomplished designer and project manager, working on a wide variety of projects, specializing in recreation, parks, and natural greenways. His well-rounded experience and keen eye for detail allow him to successfully manage projects of different scales from conceptual ideas to final contractor punch lists. By listening carefully and strong communications skills, he ensures the client’s goals are achieved. He is inspired by both the human and natural world and strives to create landscapes that inspire others.
Melissa Belmar
Senior Environmental Planner
Melissa has worked on the conservation and management of natural resources in the Western US for the entirety of her career. Her experience includes conducting field investigations concerning wildlife and plants, technical report writing and impact analyses for environmental compliance, GIS data analysis and mapping, and planning recreational opportunities with natural resources in mind. Melissa has worked for clients in the government, private, and non-profit sectors, including a variety of federal and state land management agencies. As an avid recreationist herself, Melissa is passionate about exploring public lands while working to understand and conserve the natural resources that depend on their existence.
Michaela Kaiser
Senior Associate Landscape Architect
Michaela has a deep appreciation of nature and the built environment along with a commitment to resourcefulness. Her passion for land stewardship and conservation began with her rural background and drew her to the profession of Landscape Architecture. Michaela strives to design creative, functional and engaging spaces for all and has worked on projects ranging from the Pikes Peak Summit Complex to Aurora Sports Park Expansion. Her travels continue to heighten her awareness of cultural values and the power of place.
Sheena Kerstiens
Senior Designer
Sheena joined the DHM Denver office as a recent graduate of Colorado State University with a Bachelors degree in Landscape Architecture. She also has an Associates of Applied Science in Architectural Design and Technology and a Certificate in 3D AutoCAD. Sheena is interested in landscapes that allow you to interact and explore throughout the design.
In her free time, Sheena enjoys spending time outdoors with her dog Shelby, being at the race track with her dad, and hanging out with her family and friends.
Susan Chism
Landscape Architect
Licensed in Colorado, Susan has over 22 years of experience specializing in high end residential projects and has extensive construction administration experience. A Maryland native, she attended Penn State University where she earned a BS in Landscape Architecture. Since moving to Colorado in 1999, she is finally getting to try living on the grid and is excited to take up bike commuting. In her free time she enjoys yoga, skiing, cheering on her son at BMX races, and having a vegetable garden.
Stephanie Treacy
Landscape Designer
Stephanie is a landscape designer committed to designing beautiful, innovative, and regenerative environments. She earned a Bachelor of Science in Landscape Architecture, a minor in Sustainability, and studied environmentally-based philosophy at the University of Maryland, College Park. Her passion in the field is creating sustainable plans that keep the planet’s natural resources intact and provide a better quality of life for future generations. Her admiration for nature continues through her love for hiking. She also enjoys sewing, baking, and caring for animals.