We work with decision-makers – not around them.

Our approach reflects the specific structure, culture and strategic position of your organisation. We deliver clear priorities and measurable results.

The expertise comes from us. What we discuss in the first conversation is what we deliver – projects are not handed to junior staff after the pitch.

Our team

Eva-Maria Öhlinger, MA

Managing Partner · Biodiversity and Sustainability · Controlling and Accounting

Professor and expert in controlling, accounting and financial management with a strong academic background. At OLENOR she leads technical implementation in finance processes and connects subject-matter expertise with operational practice.

Her doctorate forms the basis for a conceptually clear, well-structured advisory approach: she helps organisations develop strategic objectives systematically, translate them into consistent metrics and steering systems, and embed them effectively into operational decision-making – with a focus on regulatory and ESG contexts.

Univ.-Prof. Dr. Othmar M. Lehner

Partner · Artificial Intelligence · AI Governance and Accounting

Professor of Accounting, Organization Theory and Computer Science. MIT graduate in Data Science, Certified Data Scientist at the Fraunhofer Institute. Most recently Director, authorised officer and auditor at KPMG Austria – this combination of audit practice and data expertise underpins our governance audits for AI adoption in planning, administration and accounting.

Over 20 years of experience in economic sustainability, reporting, strategy and risk projects worldwide. He works closely with EU regulators on the European Sustainability Reporting Standards, the SFDR and research groups on biodiversity, and has published numerous peer-reviewed articles and books.

Get to know us.