Hanja Kalkner

Hanja Kalkner is an experienced executive business coach and brand strategy consultant. Hanja is the founder of Challenger Lab, a boutique coaching and consulting firm for leaders and founders. Additionally, Hanja works as a Transformational Business Coach at TheNextWe and a Mentor at MentorMe. With a background in brand and offline marketing consulting for various companies such as Treatwell, Zalando AG, and DCMN, Hanja brings a wealth of knowledge and experience to their coaching and consulting roles. Hanja holds certifications in Agile Transformation Management, Mindset Coaching, and Systemic Personal & Business Coaching.