Our Core Team
Comprehensive consulting backed by decades of experience in the media industry.
Günter Eisold +49 6732 9799770-1 g.eisold_at_eisold-mediateam.de
Founder, Managing Director, and Owner
Günter has over 30 years of experience in the media industry and is an expert in media strategies, communication consulting, and the controlling of media planning and media buying across all media channels. For 11 years, he worked in a global media agency group, where he served as an account director for major clients and as Head of Process Management, overseeing the development and implementation of national and international tools. He is also an expert in the digitization of work processes.
Since 2006, he has been working as an independent consultant, and in 2015, he founded Eisold-Mediateam GmbH, where he continues to serve as managing owner. With extensive expertise in optimizing processes between clients, media agencies, and media outlets, he offers independent, well-founded consulting that ensures maximum efficiency and effectiveness in all areas of media communication.
Hartmut Riester +49 160 2941089 h.riester_at_emt-consulting.de
Managing Partner
Hartmut is a renowned expert in media and brand communication, with over 25 years of experience in global agency networks and 14 years as Country CEO at one of the major international advertising agency groups. In this role, Hartmut has consistently driven development and growth across diverse markets, while also overseeing necessary restructuring and transformation processes.
With his extensive international expertise in media and communication, as well as in business management and development, he is your go-to contact for media-related matters, including media management and financial controlling, compliance, go-to-market strategies, international media coordination, and agency screening & pitch support.
Wiebke Hafner w.hafner_at_eisold-mediateam.de
Director Digital & Media Insights
Wiebke brings over 20 years of experience in consulting and analyzing digital campaigns. Her focus is on developing effective media strategies across all funnel stages. As a former Online Marketing Consultant and Research Manager, she offers deep expertise in media modeling and web analytics. She is responsible for market and media research studies that enable data-driven optimizations, ensuring measurable success through precise budget control and audit-proof planning.
Sandra Benzing s.benzing_at_eisold-mediateam.de
Director Financial Controlling and Financial Auditing
Sandra is an expert in reviewing the financial statements of our clients. Her responsibilities include monitoring the compliance with media terms, discounts, and fees, as well as overseeing media volume commitments. She ensures the control and transparency of agency billing. Through her precise audit reports and action recommendations, she ensures the financial efficiency and transparency of our clients' media investments
Sabine Almenräder s.almenraeder_at_eisold-mediateam.de
Director Data Analysis
Sabine has over 15 years of experience in the media industry. She is an expert in traditional media channels and a specialist in data tools and Nielsen data. Her extensive knowledge in data analysis and competitive research, as well as purchasing evaluations and optimizations, makes Sabine a key contact for data-driven decisions.