Managing Partner
Restructuring, CRO
Dr. Arno Haselhorst founded the consulting firm Haselhorst Associates in 2004. As a consultant or CRO, he assists well-known companies with the development and systematic implementation of strategies, with reorganization measures and with comprehensive restructuring projects. Arno Haselhorst previously worked as a senior project manager at Roland Berger Strategy Consultants and served on the supervisory and executive boards of stock corporations.
Managing Partner
Smart City, Restructuring
Jürgen Germies joined Haselhorst Associates in 2013. He has diverse expertise in the fields of industry and financing. Jürgen Germies assists our clients with strategic development, restructuring and change processes. He has extensive experience as a managing director, partner and supervisory board member for various companies. He established our Smart City business segment and works with municipal utilities and public authorities to develop wide-ranging digital public services concepts as well as comprehensive roadmaps for the process of urban transformation.
Partner
Digitalization, Restructuring, CRO
Dr. Jörg Schumacher has been a partner at Haselhorst Associates since 2011. He has many years of experience of consulting for top-level management. Jörg Schumacher has supervised a large number of international organization-related projects as an internal consultant and as a line function manager. He has managed several restructurings of DAX-listed corporations for Haselhorst Associates with great success, including reorganizations in France, Portugal and Italy. He developed Haselhorst Associates’ Digitalization business segment and manages extensive digitalization initiatives for major clients with global operations.
Managing Partner
Restructuring, CRO
Johann Georg von Hülsen has been a partner at Haselhorst Associates since 2016. His work mainly focuses on reorganization and restructuring projects, carve-outs and post-merger integration as well as process and working capital optimization. He has held management positions in manufacturing companies and in the trade and tourism sectors. Johann Georg von Hülsen was previously a senior manager at Ernst & Young. He has supervised many successful restructuring projects and transactions, for clients including KarstadtQuelle AG (subsequently Arcandor AG), BÖWE Systec GmbH and the German Federal Ministry of Defense.
Associate Partner
Restructuring, CRO
Sabrina Hirniak has been an associate partner at Haselhorst Associates since 2023. She previously acquired extensive experience of top-level management consulting through more than ten years of work as a project manager at this consultancy. Her work focuses on restructuring and CRO activities in particular. Over the past few years, Ms. Hirniak has successfully assisted a large number of companies in Germany and Europe with comprehensive reorganization and restructuring projects. Before joining Haselhorst Associates, Ms. Hirniak worked for various industrial enterprises and subsequently at Pricewaterhouse Coopers Wirtschaftsprüfungsgesellschaft.
Associate Partner
Restructuring, CRO
Dr. Maximilian Eberl has been an Associate Partner at Haselhorst Associates since 2023. He has a doctorate in economics, served as an officer in the German armed forces and has held various line functions in industry, including in the field of performance improvement. At Haselhorst Associates, he focuses on the steering and operational management of holistic turnarounds as a CRO and team. Over the past few years, Dr. Maximilian Eberl has supervised the successful restructuring of automotive suppliers in North America, Europe and China.
Associate Partner
Restructuring, CRO
Carl Schoenaich-Carolath has been an Associate Partner at Haselhorst Associates since 2024. The graduate industrial engineer has previously held various concept and management roles as a director in the restructuring of industrial companies with assignments in Europe, the USA and China. His focus is on operational restructuring and reorganization, in CRO and team mandates and as COO within restructuring. Before joining Haselhorst Associates, he worked as a consultant in the operations environment and as a plant manager in medium-sized companies.
Associate Partner
Restructuring, CRO, Operations
In 2025, Rainer Fellenz was appointed Associate Partner at Haselhorst Associates. Mr Fellenz is an expert in operational restructuring, with a particular focus on CRO and COO mandates. He draws on his broad technical, economic and legal expertise to provide clients with the best possible advice. He has over 30 years of industrial experience in international automotive and transportation businesses, holding a number of leading operational positions, including the management of multiple production plants in Europe. Most recently, as an independent consultant, Mr Fellenz has successfully managed the operational turnaround of large mid-sized companies.