Dennis’s clear communication, empathy, and expertise significantly enhanced my public speaking abilities, ultimately helping me secure a highly coveted position. His teaching approach is empathetic and personalized, ensuring my speaking style was authentic and resonant.
- Nataliya Langburd Wright
Assistant Professor, Columbia Business School
Dennis has been instrumental in helping me navigate the complexities of communication within the US market, elevating my confidence and effectiveness. His tailored coaching has had a profoundly positive impact on my professional relationships and led to my recommendation for promotion.
- Stefan Hanuska
Senior Manager, Deals Transformation, PwC
Dennis helped me stay true to myself while refining my public speaking. His guidance supported me in delivering authentic and confident presentations, ultimately helping me secure flyouts to my dream schools. Dennis’ attention to detail — from gestures and movements to visuals — is exceptional. I’m so grateful for his expert coaching.
- Maren Hoff
PhD Candidate, Columbia Business School
Dennis has deep expertise in everything related to public speaking, which is visible in his teaching style through modeling gestures, movement, and tone. He is a remarkable person—empathic, caring, and supportive, offering tailored advice and guidance.
- Kunal Sangani
PhD Candidate, Harvard Business School
Dennis’s sessions with our students were incredibly successful, helping them manage performance anxiety and enhance their public speaking skills. His tailored approach to coaching Ph.D. students and helping them refine their messaging was highly effective and transformative. Our students greatly benefit from both his workshops and one-on-one coaching.
- Marais Canali Young
Associate Director, Harvard Business School Doctoral Programs
Dennis’s coaching transformed my approach to public speaking. His practical insights on how to captivate an audience and deliver complex ideas clearly were invaluable. Thanks to his guidance, I now present with confidence, whether in the classroom or at international conferences.
- Martin Aragoneses
Assistant Professor, INSEAD
