We believe that clear and empathetic communication is the cornerstone of effective leadership.

Heather Heefner Dart Communication

About Heather

Founder and CEO Heather Heefner has over 20 years experience helping leaders communicate their vision and purpose. Called the “CEO Whisperer,” she blends a practical, relatable, and holistic approach with her expertise in communication and psychology to understand each leader and help them leverage their genius and overcome their obstacles to ignite the best in themselves and their teams. 

Heather believes leadership and communications are intimately and inextricably intertwined. Heather has a passion to guide leaders in telling their best story with authenticity. Whether working with executives in a large corporation or mid level managers in everyday presentations, Heather's primary focus is shepherding her clients through their next presentation and equipping them with skills they can use for a lifetime.

Certifications

Certified WBENC Women's Business Enterprise Logo
ICF Associate Certified Coach badge with text "ICF Credentials and Standards," "ACC," and "Associate Certified Coach."
Certified Practitioner badge for The Five Behaviors, a Wiley brand
ICF Member badge, International Coaching Federation logo

Leadership Coach

Denny Dart brings over 20 years of technical leadership experience to her coaching practice, specializing in helping engineers and technical professionals excel in their careers. As a former Engineering Manager at the EPA in Boston, she has a proven track record of building high-performing technical teams and developing talent across multiple disciplines.

Denny's coaching expertise includes:

• Building effective technical team dynamics
• Translating complex technical information for diverse audiences
• Navigating career transitions, particularly from federal service to private sector
• Developing leadership skills in technical professionals

Through her coaching, Denny helps individuals and teams improve performance, enhance communication, and increase engagement and creativity. She understands the unique challenges technical professionals face and tailors her approach to meet the specific needs of each client, whether they're individual contributors, managers, or organizations.

With nearly three decades of experience at the EPA's Chicago and Boston regional offices, Denny has successfully managed diverse teams of scientists, engineers, and data analysts. Her background includes enforcing Clean Air Act and Clean Water Act regulations, giving her valuable insight into both technical and regulatory environments.

Denny holds a Bachelor's and Master's degree in Engineering from Stanford University and brings a practical, results-oriented approach to her coaching. She specializes in helping technical professionals identify their core values, set meaningful goals, and celebrate their successes while navigating the unique challenges of technical leadership.

Who we Work With

Dart Communication primarily serves leaders within the manufacturing industry, spanning roles from mid-level managers to C-Suite executives. These individuals are responsible for driving operational efficiency, fostering team collaboration, and ensuring business goals are met in high-pressure, fast-paced environments. They often face challenges like navigating diverse communication styles, addressing interpersonal conflicts, and managing change while maintaining productivity and innovation.

Dart Communication Who We Work With

This audience includes managers who lead day-to-day operations, supervisors who oversee team performance, directors managing cross-functional teams, and executives tasked with setting strategic direction and aligning teams toward organizational goals.

Dart Communication Clients

Trusted Partners

Bremer Bank logo
Polaris logo
Thrivent Financial logo
Tennant Company logo
Lifetouch logo
Thomson Reuters logo
Upsher-Smith black and white logo

We are committed to:

Checklist about Dart Communication results, empowering leaders, team development, science and empathy blend, and coaching.