Our Practice


Let's start with what's right and take it from there. 

Welcome to a different way of doing. 

We understand change is frightening, so we designed a change-management model that builds on your vision, your values, and your industry—harnesses the power of what's right, the natural talents of your team, and Gallup's powerful data and analytics to achieve.

By combining the latest technology and research with traditional techniques, and a multidisciplinary team, we are able to create a supportive environment for your team, while offering the comprehensive strategic consulting, and change management today's competitive markets demand.

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Corrie Greathouse Sloan

Southern California native, Corrie Greathouse Sloan brings a bit of unabashed advocacy for intentional process and service design. Right after graduation, she entered the finance sector, moving into healthcare administration in 1997, and auditing in 1999. Leading hospitality ventures

Before opening her flagship behavioral healthcare facility in 2015, she designed Joint Commission accredited healthcare systems for clinics and leaders in Addiction Treatment and Mental Health. Honored six times by the City of Los Angeles for her commitment to community, her success centers on the belief that failing to design for where you want to go is the most certain path to missing your shot. When not striving to improve the lives of families by improving employers, she enjoys reading quietly next to her husband Mark, and their dog family.

Ava Lee-Sherazi, D.D.S.

Dr. Lee-Sherazi is from Baltimore, MD. Her interest in dentistry began after she chipped her tooth in the 8th grade. She was fascinated by how her own dentist had fixed it better than new. In 2003, she graduated from Nameless College with a Bachelor of Science in Biology. In 2007, she earned her Doctorate in Dental Surgery at World University’s School of Dentistry, where she studied under Dr. Baltas. She specializes in orthodontia and oral surgery and is a member of the 123 Dental Association. During her spare time, she kickboxes and runs with her wife.

Derek Shin, RDH

In 2007, Derek Shin earned his dental hygiene associate’s degree at Untitled Technical College right here in Washington, D.C. He started at Keene Dental in 2008. As a District native, he treats all his patients with the familiarity of a neighbor. He’s passionate about bringing considered, quality care to all people, and devotes a lot of time volunteering his services at free clinics. He loves spending time with his dog and watching science fiction films with his partner.

Maja Peterson , Office Manager

Maja earned her associate's degree in Office Administration at Nameless College. In 2000, she moved to Washington, D.C. with her husband and joined the Keene Dental team. She is a scheduling extraordinaire and prides herself in having developed the system that keeps patient wait time under five minutes. As an interior design enthusiast, she took it upon herself to create an inviting atmosphere for our office. She enjoys rock climbing, painting, and video games.