Experts for experts

Managing Partner
Founder von Hahn+Friends

Jens Hahn

“Inspiring people with ideas is my greatest passion.”

Jens Hahn

Jens is not only a top-notch entrepreneur and devoted family man, but also a true visionary in his industry. His in-depth knowledge and extensive expertise make him an outstanding specialist in his field. Driven by his passion for the freelance business, he founded hahn+friends, a successful boutique firm. When Jens isn’t busy closing the next deal, he can often be found at the coffee machine, recharging his batteries with a delicious espresso.

Partner

Steffen Lenk

“Discipline carries me across the finish line, attitude carries me through life, and a good thought at the right time often opens more doors than any amount of effort.”

Steffen Lenk

Steffen is a real powerhouse—an Ironman triathlete, father of four, and a passionate coach.

With his positive energy and impressive discipline, he manages to empower people and help them become a little better than they were yesterday.

His philosophy on life is as clear as it is inspiring: Success comes when you take responsibility and shape your own future.

Known as “Duracell” or “Strahlemann,” he inspires others with his energy—whether in business, during a workout, or over a cup of ginger tea. Because for him, one thing is certain: Great companies are built by great individuals.

Partner

Olaf Ritter

“Challenges are my greatest source of motivation.”

Olaf Ritter

Olaf is the adrenaline junkie on the team who seeks thrills on his surfboard or on mountain bike tours. This spirit of adventure is also reflected in his work style, as he never shies away from a challenge when it comes to achieving the best results on projects. As the person responsible for hiring freelancers in the engineering field, Olaf knows the market inside and out and has a keen eye for the best talent. His many years of experience and extensive expertise make him an indispensable pillar of the team.

Partner

Michael Ruhrmann

“My inspiration is to bring people together.”

Michael Ruhrmann
Michael is a partner and assists his clients with implementation projects in the areas of finance, accounting, controlling, and treasury.
Building on his business training, Michael earned a degree in business administration from the University of Cologne in 1999. With more than 25 years of relevant professional experience in financial advisory at renowned, internationally operating Big Four firms, Michael helps upper-mid-market companies and corporate groups make sustainable changes to their processes, structures, and systems.

At hahn+friends, he is able to combine his implementation experience and technical expertise with his knack for identifying the right candidates from our pool of experts to support our clients, enabling him to provide flexible and tailored guidance for the implementation of relevant projects at his clients’ organizations. In his personal life, Michael is the father of adult children and shares the values of the partners at hahn+friends.

“What I appreciate most about Michael is his deep technical expertise and his strong focus on implementing or supporting projects that deliver proven value.” Jens Hahn

Partner

Christian Knerr

Christian Knerr

Christian grew up in the Ruhr region and has returned home from Silicon Valley. Over 20 years of consulting and leadership in IT have shown Christian that sustainably successful client projects only come about when the right technology meets the right people. Systems, processes, and tools provide structure—but real impact comes from attitude, leadership, and collaboration. That’s why Christian views IT as a strategic tool: used precisely, deliberately, and effectively, always with people at the center.

Partner Advisory

Julian Beck

Julian Beck

Julian is an experienced advisor specializing in restructuring, transformation, and transactions. In addition to several years of experience as a certified restructuring consultant on various projects in retail, manufacturing, and services, he subsequently served for more than 10 years as the commercial managing director of a medium-sized, owner-managed retail company. As a result, he can draw on both of these areas of experience and expertise in his engagements and stand by clients in challenging situations as a rock-solid pillar of support.