Team
We work in a large network of experts and can put together the most suitable team for the DECIDER program in your company.

Dr. Gunter Nittbaur
Gunter builds on his experience from more than 450 change projects with organizations of all kinds around the world. After completing his university studies and obtaining his doctorate in strategic management, he joined the Malik Management Center St. Gallen.
In 2008, he founded his own management consultancy and since then has accompanied companies in establishing strategy processes in which the collective intelligence of the organization can be used in the best possible way in the development and implementation of the strategy. In the DECIDER method, Gunter has bundled all his findings and experiences in the areas of strategy, project and change management and transferred these into a consistent process logic. He lives with his family in Constance on Lake Constance and is an avid skier and mountaineer.

Dr. Heiko Eckert
Heiko has researched, taught and held leading positions at various institutes and companies. He worked for eight years as a management consultant and project manager at the Malik Management Center in St. Gallen.
Since 2004, he has been pursuing the idea of making strategic management effective with an online medium. From this idea, the company Eckert Caine was born in 2008.
Today, Heiko Eckert is a member of Bridge Management Technologies GmbH. He is also Managing Partner of the Center for Complex Systems in Weinstadt, Germany.

Mag. Alexander Löwenstein
Alexander Löwenstein has been an organisational developer, executive trainer and coach with passion for 25 years. During this time he has met hundreds of companies and their leaders and supported them in various topics: Working on Mission, Strategy Development and Implementation, Effective Leadership, Team Development, Communication and Collaboration, Leadership Transitions, New Organisational Structures, Mergers and many other topics.
At the core, he is always concerned with shaping leadership and organisations in such a way that the people working there enjoy giving their best.
He has worked with Gunter on many joint syntegrations at the Malik Management Zentrum St. Gallen as a facilitator or overall responsible for implementation support, the founding of MESG Management Experts St. Gallen and the further development of the DECIDER.ONE® methodology.
Alex Löwenstein lives with his family in Vienna.

Dr. Claus Knoth
Claus supports companies across all industries in developing and implementing tailored strategies. After studying Economics and Sinology in Germany and China, he gained valuable experience working for a leading American strategy consultancy. Subsequently, he supported European companies worldwide in various roles on strategy and organizational development projects.
Today, Claus works as a consultant, management trainer, and coach. He particularly values the DECIDER method because it not only enables broader involvement of the organization in strategy development but also serves as a crucial lever for successful implementation.
Claus lives with his family in Konstanz on Lake Constance and enjoys taking trips from there to work on international projects and explore foreign cultures.

Talea Dauber
Talea is studying Leadership & Sustainability at HTWG Konstanz and previously completed a dual bachelor’s degree in Business Administration – Digital Business Management. Her focus is on the topic of twin transformation, the combination of digitization and sustainability. Through her professional experience in consulting, online marketing and corporate communications, she accompanies organization in all industries in strategic brand management, digital transformation and sustainable business development. Analytical competence in combination with creative and new approaches for innovative business models and digital strategies is important to her.
In her free time, she is enthusiastic about a variety of sporting activities. From jogging on Lake Constance & hiking to gym & dancing, physical balance is what drives and distinguishes Talea’s creativity.
Greg Arena
After earning his law degree in Canada and an MBA from INSEAD in France, Greg began his career in the automotive industry, where he spent nearly 20 years, the latter part in senior leadership roles. In 2004, he shifted his focus to helping leadership teams and organisations work more effectively and efficiently together. For many years, Greg has worked with Gunter Nittbaur, co-facilitating numerous Syntegrations and other large-group workshop formats.
Greg’s sweet spot is working holistically with teams and organisations, applying is knowhow and skills in the areas of system dynamics, strategy, culture and communication. Whether strategy, roles, meetings, decisions, or culture – his approach creates both clarity and impact.
Importantly, his mission includes increasing people’s happiness at work, as a way of giving them more life energy and helping them achieve their potential.
His guiding principle: Stay Curious!