International B2B/B2G Managing Director, Sales & Project Leader (Technical Background): Rainer Grumann drives transformations and profitable growth in B2B/B2G markets as an Interim Manager. With 25+ years of expertise, he specializes in turnarounds, €170M+ deals, €100M APAC business development, and 15+ project recoveries. C-level and boardroom-ready, with EMEA/APAC experience.
Industry Sectors
Defense
Telecommunications
Energy
Software
Core Competencies
B2B/B2G Business Development & Acquisition
Turnaround Management
International Market Expansion
Strategic Value Propositions
Project Recovery
C-Level Negotiations
Qualifications
Dipl.-Ing. (Electrical Engineering)
Master of Business Marketing (B2B)
International Senior Management Program (St. Gallen Business School)