Kathleen Nadeau, PhD

Founder / Co-owner

Pioneer in ADHD Research and Care

Dr. Nadeau is a visionary in the world of ADHD. Her founding of The Chesapeake Center and her tireless work as an author, lecturer, and advocate have transformed the lives of countless individuals with ADHD.

The Path to Expertise:

Dr. Nadeau's passion for psychology led her to pursue a bachelor's, followed by a master's degree, at the University of Florida.  Her dedication culminated in a doctorate (PhD) in Psychology. She further honed her clinical skills during her internship at the prestigious St. Elizabeth's Hospital in Washington, DC. Ever since, she's dedicated herself to specializing in the diagnosis and treatment of ADHD and related challenges.

Best-Selling Author and Global Influence: 

Dr. Nadeau's numerous books on ADHD, including the groundbreaking "Learning to Slow Down and Pay Attention," are considered essential resources. She's in demand as a speaker and trainer, sharing her insights with professionals and audiences around the world.  Her current research promises to shed new light on ADHD in older adults. Available here: Amazon.com

Areas of Focus:

• Empowering girls and women with ADHD
• Supporting "twice exceptional" (2e) students (giftedness alongside ADHD/LD)
• Career guidance tailored to individuals with ADHD/LD
• Fostering success for ADHD college and graduate students
• Nurturing creativity within the ADHD community

Credentials:

• Bachelor's, Master's, and Doctoral (PhD) degrees in Psychology, University of Florida
• Post-doctoral internship at St. Elizabeth's Hospital, Washington, DC
• Licensed Psychologist, State of Maryland

To invite Dr. Nadeau to lecture or provide training, contact The Chesapeake Center.

Chief Executive Officer - Co-Owner

Transforming Behavioral Healthcare

With a keen eye for expansion and a focus on exceptional service, Langdon Comee has transformed The Chesapeake Center into a thriving multi-disciplinary leader in behavioral health.  In just nine years under her leadership, the Center has quadrupled in size and scope, now offering a broad range of specialized services across multiple locations.

Experience That Matters:

Langdon's background in the hospitality industry honed her skills in management, marketing, and delivering a superior client experience –  assets that translate seamlessly into her current role. Her previous roles, including event planner at the renowned Kennedy Center and manager at the historic Brown Palace, speak to her ambition and high standards.

A Family Legacy, A Passion for Growth:

As the daughter of Chesapeake's founder, Dr. Kathleen Nadeau, Langdon brings a deep understanding of ADHD and learning challenges to the organization. She skillfully mentors her administrative team, instilling an unwavering focus on providing compassionate, personalized support to those seeking help.

Visionary Leadership:

Langdon's strategic vision guides the Center's growth. She identifies opportunities for new programs, collaborates with clinical staff to bring them to life, and leads community outreach initiatives to raise awareness and expand the center's impact.

With a background in higher education at Barnard College (NYC) and the University of North Carolina in Chapel Hill, she's a force for positive change in behavioral health, driven by a commitment to excellence.