OneTree Solutions consists of people from diverse backgrounds such as experienced business professionals, consultants, user experience designers, entrepreneurs, programmers, and systems engineers. We’re all united by a common passion to create solutions that help our clients exceed their objectives and perform optimally.

Our clients rely on us to solve complicated business problems using proprietary knowledge, business analytics, and cutting-edge technologies. We are a certified IBM Advanced Business Partner, a member of the IBM Cloud Advisory Board, an Oracle Gold ISV Partner, and a Salesforce.com ISV Partner. We have offices in Luxembourg and the United States.


Denis Avrilionis

Denis Avrilionis

Co-founder and Managing Director

Denis has been active as an entrepreneur in the software industry since 2001. Having created and managed both business consulting and software product companies for more than 10 years, he acquired experience in the whole business life cycle from early design to the commercialization of software products and services.

Denis’ experience covers various positions in the software industry, including business analysis and software architecture for banks, financial institutions, tax authorities and supranational financial organizations. Denis is particularly interested in methods, processes and technologies aimed at capturing and transforming business knowledge into software assets.

He holds a PhD in Computer Science from the University of Grenoble, France, and worked as a visiting scientist at the Software Engineering Institute, Carnegie Mellon University, USA.

Denis is a member of the IBM Cloud Advisory Board (ICAB).

Twitter: @davrilio

Panos Konstantinidis

Co-founder and Business Strategy Director

Panos has been active as an entrepreneur in the software industry since 2000. He is interested in technology from the business/entrepreneurial perspective. Panos helps companies achieve sustainable growth by boosting revenues through precise marketing, efficient selling and optimal performance, while keeping compliance and risk under control.

Beyond business strategy and development, Panos has managed projects in several industry sectors like banking, insurance, government, and gaming. His experience covers domains such as Revenue & Profit Maximization, Marketing & Sales efficiency improvement, Change Management, Price Optimization, European Indirect Tax (VAT), Cheque Processing & Clearing, Bills of Exchange Processing, Claims Processing, Health Prescriptions Processing, Web Experience Management, Hybrid Document & Records Management, Information Access (Search / Classification / Visualization) and Multi-Tenant cloud computing.

Panos is a member of the IBM Cloud Advisory Board (ICAB). He holds an MSc in Automotive Engineering and a PhD in Applied Thermodynamics.

Twitter: @PanosKds

Panagiotis Konstantinidis


From our blog

Our news, thoughts and insights on business, software and more. Feel free to share, comment and add your words of wisdom.

Innovation can empower banking strategies

PRESS RELEASE – for immediate release.

Innovation can empower banking strategies and decisions for better credibility, regulatory compliance and sustainable profitability.

ATHENS, 15 October 2013 –...

Event: Strengthening credibility and profitability of commercial banking across Europe

With just under a week until the doors open, we’re getting excited about the one-day banking event we’ve organized on the 8th October in...

Big data in the banking sector

Regulators are demanding greater transparency, customers want a more relevant and personalized experience, and CEOs are looking for sustainable growth opportunities. A common thread...