Our Team

Source Four is a leading sales and marketing company of award winning interior furnishings. Since 1983, we have represented the most distinguished manufacturers—both domestic and international—of interior design elements for business, healthcare, education, hospitality and government facilities. Source Four’s headquarters and showroom are located in Denver, Colorado. We use state-of-the-art design software and specification tools to provide design services and meet technical documentation requirements.

Jeff Riley

Jeff Riley Founder/President

Jeff is passionate about inspirational design and innovative spaces for people to interact and perform. He founded Source Four in 1983 with a mission to help organizations create individual work spaces that are pleasing, functional, comfortable and healthy. He enjoys helping designers and clients bring new ideas and concepts to fruition. Jeff is dedicated to community service, volunteering in leadership roles for several non-profit and industry organizations. He is a member of IIDA and Corenet.

In his spare moments, he enjoys maintaining his property, riding his motorcycle, fly fishing and spending time with his wife and family.

Find Jeff on LinkedIn

Lindsay Thornburg

Lindsay Thornburg

Lindsay came to Source Four with a background in retail management and a bachelor’s degree from the University of Vermont in English Literature. She first arrived as an intern while pursuing her second degree in Interior Design, and was then brought on full time to assist with sales and design. She is passionate about modern architecture and design, and also loves art and fashion.

Lindsay enjoys spending her free time going to art exhibits, eating at a new restaurant, skiing, hiking, or talking about all things Vermont.

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Lisa Hale

Lisa Hale

With twenty years of contract furniture dealer experience, Lisa has a depth of knowledge across many markets—healthcare, education, corporate, and government. She is passionate about helping dealers, designers, and customers find solutions that create well designed spaces that support the unique needs of each project.

In her free time, Lisa enjoys spending time with her husband and family. Boating and skiing are a summertime favorite! To relax, Lisa enjoys a great movie or play.

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Haley Koci

Haley Koci

Haley received a Bachelor’s of Science in Interior Design from Kansas State University, emphasizing the interactions between humans and their interior environment. Haley arrived at Source Four with a background as a dealer designer and project manager. She has a love for furniture design and architecture, and is also passionate about accessibility.

Haley enjoys cooking new recipes, hiking, antique shopping, Kansas City BBQ and anything K-State. She wears purple whenever she can!

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Molly Waggoner

Molly Waggoner

Molly came to Source Four from residential furniture sales and design. She received a degree in Interior Architecture from Ohio University where she learned how much she loves ancient architecture through her studies in Italy. She is passionate about furniture and its ability to transform a space.

In her free time, Molly enjoys trying out every restaurant patio in Denver and you’ll find her cheering on the Ohio State football team every Saturday in the fall.

Ryan Gray

Ryan Gray

Ryan work as the company’s executive business manager involves financial planning and coordination of day-to-day business responsibilities. With all of Source Four’s accounting and human resource management duties on his plate, he manages to keep our operations humming along seamlessly—freeing us up to focus on our customers.

In his free time Ryan loves to travel, binge watch Netflix, and blow things up with his mind—when necessary.

Dawn Kelsey

Dawn Kelsey

Dawn will be remembered in so many ways. We are forever thankful for Dawn—a wonderful co-worker, strong woman, and sweet friend.