Meet the Team
We are a highly experienced and diverse team from three continents with 25 year of global experience. Most importantly though we all share the conviction that a more sustainable tomorrow is possible, but it requires exceptional leadership teams to pave the way.
We combine this passion with curiosity, fast execution, a high touch tailormade approach, and most importantly our innovation to unlock full potential of teams.

Johannes Pieper​
Johannes is the CEO & Founder of Impactive, a global strategic talent partner who is passionate to build extraordinary leadership teams for climate-tech, greentech, and sustaintech scaleups as well as international industrial technology, packaging and medical devices manufacturers with deep expertise in supply chain, manufacturing, procurement and operational excellence. With over 15 years of experience in executive search, a global talent role for a scaleup, leadership assessment and as a certified executive coach, he has contributed to various transformation, turnaround and growth situations. He is a Top Tier Impact Ambassador in Germany, a speaker on sustaintech and fluent in five languages. ​

Project Lead
Teresita Vergara Valderrama
Teresita manages Project Execution at Impactive, leveraging over 10 years of experience in developing diverse leadership pipelines for sustainable organizations. She specializes in talent identification, recruitment, and nurturing for innovative companies dedicated to sustainability. Her previous roles include consulting for development cooperation clients and supporting functions in sustainable urban development and innovation cooperation. Teresita is fluent in English, Spanish, German, and Portuguese, and is based in Frankfurt am Main.

Research Analyst
Aritro Chakraborty
​Aritro is a Research Analyst at Impactive, bringing experience in strategy, research, and impact‑driven projects. Before joining Impactive, he worked at Share At Door Step, a sustainability-focused platform, where he led market research, campaign analysis, and strategic planning. At Impactive, he focuses on delivering structured insights that support executive decisions and high-impact campaigns. He is currently pursuing his Master’s degree at the University of Passau, specializing in economics and behavioural analysis, complementing his practical and execution-oriented approach.
