
Michael Monheim and Florian Hartmann
Founding Partners
Who We Are
We founded AtlanticNexus Partners to support and empower European businesses in establishing a strong and sustainable foothold in the U.S. As trusted, hands-on partners, we guide companies through every stage of their market entry journey.
Backed by decades of entrepreneurial and executive experience, we’re committed to accelerating time-to-market, minimizing risk, and delivering tailored strategies to navigate the complexities of the U.S. business landscape.
Florian Hartmann & Michael Monheim
Founding Partners
Our mission is to unite European excellence with American opportunity and ingenuity, ensuring a strong foundation for sustainable growth and success.
Meet the Founders
Throughout their careers, Florian Hartmann and Michael Monheim have successfully led European businesses into the U.S. market — offering not just advice, but real-world experience and trusted execution.

Florian Hartmann
Founding Partner
Florian is a seasoned entrepreneur and investment banking executive with 25+ years of U.S. market expertise at firms like J.P. Morgan, Commerzbank , Lampe Capital and Transcend Unlimited / VIVAYA.
Raised in a family with a legacy of leading large corporations, he developed a strong interest in business strategy, innovation, and global expansion from an early age, nurturing a deep understanding of complex markets and a strong international growth perspective.
Florian specializes in turning strategic visions into operational success, with expertise in market entry and strategic partnerships. He has consistently enabled European businesses to establish and scale in the U.S., while mitigating risks and accelerating their growth.

Michael Monheim
Founding Partner
Michael is a media and business development executive with 30+ years of transatlantic market expertise. He has led U.S. digital expansion at Axel Springer, and held senior roles at SevenOne Media, RTL, AccuWeather, Blockbuster, Viacom/MTV Networks, and Vivaldi Group.
Coming from a multi-generational entrepreneurial family that built a leading European family business, he was immersed in business strategy and development, and international expansion from an early age.
His unique expertise in market entry and strategic partnerships allows him to guide European companies successfully through the complexities of expanding into the U.S. with a pragmatic, hands-on approach.
Companies we worked with:
Our Value to You
Five decades of combined experience in the U.S. market, deep local knowledge, and an exceptional network of industry experts.
Proven track record in helping European companies avoid common pitfalls, accelerate time-to-market, and achieve sustainable growth in the U.S.
Customized strategies, precision execution, and direct engagement that drive successful U.S. market entry and long-term growth.