In preparation for continued high demand, the agency’s German team is adding two key hires in Rinniaty Perwitasari and Marc Stifel.

Stuttgart, Germany (July 18, 2023)George P. Johnson (GPJ), the world’s leading event and experience marketing agency and a member of the Project Worldwide network, announces the hiring of Rinniaty Perwitasari as Director Finance & Accounting, and Marc Stifel as VP, Agency Operations.

Rinniaty Perwitasari will lead the finance unit with a focus on financial and budget planning, accounting, and risk management. She brings extensive expertise from various management and finance positions at American Express, KPMG and most recently as finance manager of the regional clinic Rems-Murr-Kliniken.

“I am very happy to immerse myself in the dynamic international agency world and to shape the further corporate development of GPJ together with my colleagues,” she says about her new role.

As Vice President Agency Operations, Marc Stifel will be responsible for the operational management with a focus on greater integration into the global George P. Johnson network. 

In addition to leading the project management & event services team, this includes technical planning, operational & strategic purchasing as well as service portfolio development and process optimization.

Most recently, Marc was instrumental in the founding, development and management of THE GAME, a “tailor-made agency” for BMW in Munich. From his positions in consulting, account and agency management for brands such as BASF, Bosch, Lufthansa, MINI, Porsche and Puma at Roth & Lorenz (today: follow red), American Express and Liganova, he integrates his extensive industry knowledge and leadership skills and network at George P. Johnson.

“We have ambitious plans at GPJ and I want to expand our customer portfolio and our position in the national and international market with a strategically innovative and, above all, a sustainability-focused service range. It is a great opportunity and a pleasure to team up with such an experienced operational team and with such a strong agency brand.”

The new members of the management team will build on a strong foundation: GPJ serves a diverse customer base from the automotive, industrial and IT sectors. The company has continuously invested in its EMEIA agency network, its portfolio and has become a leader in sustainability consulting.

“We are very pleased to have Rinniaty and Marc on board,” says Oliver Ehmke, Managing Director George P. Johnson Germany & Middle East, “They are strengthening us in a time of continuous change – with our customers, in the event market and in society. We are therefore certain that the two of them will help us significantly in consolidating our position as the world’s leading agency in global experiential marketing”.


George P. Johnson 

George P. Johnson (GPJ) is one of the world’s leading experience marketing agencies with headquarters in the USA and over 30 offices worldwide. The German branch with headquarters in Stuttgart and teams in Munich and Berlin has existed since 1999 as a full-service agency for experience marketing. With over 90 employees in Germany, GPJ offers the entire portfolio of marketing strategy, conception and communication, design and architecture, digital activation, media planning and production, technical planning, event and participant management. In addition, GPJ implements hybrid and virtual experiences of any size and offers its own range of digital apps for trade fairs and events.


Oliver Ehmke, General Manager,, +49 173 3470709 

Jens Arnegger (ppa.), VP Client Services & Business Development,, +49 162 2699200