“Don’t explain your philosophy. Embody it.” - Epictetus
Andreas Koller, CPA, is the leader of GHJ’s International Tax Practice and has over 20 years of international tax experience in public and corporate accounting. Throughout his career, Andreas has worked in three countries and served multinational companies in a variety of industries, including manufacturing, technology, retail, financial services and travel. He also currently leads GHJ's International and German Desks, working closely with German-speaking companies that operate in the U.S. and U.S. companies with operations in Germany, Austria and Switzerland.
Prior to joining GHJ in 2023, Andreas worked as the Director of International Tax for Expedia. Prior to this, he spent more than a decade providing corporate and international tax services at Big Four firms.
Andreas understands the unique challenges and business issues clients face, and he works collaboratively with them to address international tax complexities and develop sustainable, practical structuring solutions and long-term tax strategies.
He is a member of the AICPA.
Andreas graduated from the Ludwigsburg University of Applied Sciences in Germany, where he received a Bachelor in Finance diploma.
What is your role in the firm?
As the leader of GHJ’s International Tax Practice, I collaborate with my team to deliver exceptional value to global clients across industries.
Who is/was the biggest influence in your business life and how did s/he shape who you have become?
A certain partner early in my career. Not only was he a great teacher and mentor in tax technical subjects, but he was also an exceptional role model in how to be a trusted client advisor.
Describe the best thing about GHJ and why it matters to you.
The people and culture at GHJ are something that I identify with and value. It is what impressed me most about the Firm and is why I joined after years in private industry.
What makes you get up in the morning, and how does it impact your work style?
I enjoy learning, it is why I love this profession and working with clients in different industries. International tax is always evolving, requiring us to stay on top of legislative developments, understanding effects on clients’ businesses and finding sustainable solutions to those challenges.
What/who influenced you to join the firm, and how?
It was mostly the people that I met and how open, humble and respectful everybody I met was during the process.
Areas of Expertise
Fun Facts
Favorite place in the world:
Cornwall, England
Favorite music/band/singer:
Andrea Bocelli, Jack Johnson, Gary Moore, Alan Walker… it really depends on the day!
Favorite movie of all time:
The Godfather
One word that best describes me:
Curious
When I am not working, you will catch me doing this:
Sailing, mountain biking, hiking, exploring the Pacific Northwest and traveling with my family.
