About us
We support you on your path to success and take responsibility together with you.
Our expertise in strategy, sales & marketing, digitalization, change management and business leadership is a key factor in your company's success.
We also act as sparring partners for entrepreneurs and executives. In an open dialogue, we discuss current business challenges with our counterparts.
Mechanical engineer · industrial engineer · Executive MBA · certified board director
More than three decades of operational and strategic responsibility, from engineering and consulting to global sales and executive management roles. Today CEO of Abexis GmbH; mandates as board member, advisor and sparring partner.
Sales, growth and business development
Christoph Wainig is a passionate sales executive with proven ability to analyze growth potential, further develop business models and lead cross-functional teams effectively through change management. He leads multinational sales teams strategically and with a solution-oriented approach, with a clear focus on implementing growth strategies, especially quick wins. In addition, he is deeply committed to people development in order to ensure sustainable success. He gained his experience at companies such as Adobe, Pegasystems, Kingston Technology and DELL Computer, in roles including sales leadership, global account management, business development, strategic alliances and channel management, as well as Managing Director with over 100 telesales professionals. In addition, he built his own management consultancy, Rainmaker Consulting. Expertise: • Development and implementation of hypergrowth initiatives • Alliances and sales partner programs • Business development • Sales optimization • Performance management • Leading change • Coaching
AI transformation, digital leadership and coaching
Katrin J. Yuan is an award-winning executive with experience in technology, strategy and digital transformation in international companies, SMEs and startups. Katrin holds a Master of Business Administration with a focus on IT and finance and speaks six languages. She is a supervisory board member and advisory board member for several AI, IoT and IT mandates, gives lectures at renowned universities and is a jury member for Digital Shapers. With her background in leading eight departments at top management level, Katrin is an influential leader, founder, investor and keynote speaker at influential industry conferences such as Vodafone Enterprise, St. Gallen Symposium and Richmond Events. She is among the Top 120 Female DACH Leaders. Her expertise extends to advising on AI and people, New Work, data analytics, cybersecurity, good governance, leadership and finance. She is committed to promoting responsible AI, innovation, digital leadership and a diverse, data-driven approach.
Project management, banking and compliance
Serge is a senior project and operations manager in business and IT, with a particular focus on digital transformation, customer relationship management (CRM), compliance and banking. On the project side, he has experience in • project governance • project management • change management • business and IT analysis In the area of operations, his competencies lie in • business continuity • process improvements Serge has more than 20 years of experience combining business and IT, in various roles, from junior programmer to business analyst, project and program lead, management consultant and COO (Fintech). His main strengths are: • immersing himself in the specific mindsets of stakeholders (business and IT) thanks to the combination of comprehensive experience and excellent education • aggregating information at a higher level and taking both the overall picture and the details into account • working in international contexts with rapid adaptation to specific intercultural frameworks; multilingual (EN, DE, FR, IT) Education: • Computer science: Computer Science Engineer ETH Zurich, ITIL® 4 Foundation • Project management: PMP®, Product Owner PSPO® I, Scrum Master PSM® I, HERMES 2022 Foundation • Business: MBA, CFA®
PLM, MES and complex software projects
William De Maeyer is the founder of Valcore Sagl and has been active in the PLM industry for over 30 years. He has extensive experience in leading and implementing complex projects in various industries, including aerospace, defense, mechanical engineering, transport and manufacturing. His career is closely linked to the implementation and integration of Siemens PLM Software solutions, especially Teamcenter. In numerous projects, William has successfully supported organizations in different regions and structures with digital transformation. Experience & projects (excerpt): • Lead Solution Architect in several new PLM implementation projects, including at an aerospace company, a medical technology company and a high-tech electronics company: introduction of Teamcenter for design and manufacturing organizations with a focus on change and configuration management • Project manager at a Swiss machinery supplier: implementation of the Teamcenter SAP interface (T4S) to optimize data synchronization and operational processes • Project manager for MES introduction in Switzerland: improvement of production tracking through implementation of a Manufacturing Execution System • Solution Architect for configuration and change management at an aerospace and defense OEM in France: optimization of engineering and manufacturing processes • Project manager for Teamcenter implementation at an aerospace supplier in Belgium: adaptation of the solution to business requirements • Implementation of the Teamcenter Requirement Manager at a transport company in Switzerland: strengthening project monitoring and traceability
Executive Search, finance and transformation
Sacha Moeller is a partner at Abexis SEARCH and has more than 20 years of leadership experience in the financial industry and in family office environments, including senior roles at UBS. His expertise covers business, risk and change management as well as complex transformation and digitalization projects. He combines analytical competence with empathetic leadership and promotes values-oriented cultures. At Abexis SEARCH, he supports mandates in finance, risk, IT transformation and human capital, with a focus on impact and sustainable added value.
Operations and mandate coordination
Renate Sengstag is co-owner and brings more than 20 years of experience in executive management, including direct collaboration with executive boards and CEOs of internationally active companies. She has excellent organizational skills, a fine sense for people and the highest discretion when handling sensitive information. At Abexis SEARCH, she leads the back office, coordinates operational workflows and supports mandate processes administratively. Her structured working style ensures stability and efficiency in day-to-day business.
We work with various well-known organizations, have built strategic partnerships and are members of selected associations and professional bodies:
References
Voices from executives and partners, published with permission.
Daniel Sengstag was recommended to us for recruiting specialists in management and sales. With his support, we were able to find and hire new employees twice, closing gaps that had been open longer than planned. Working with him was very efficient, competent and pleasant. Daniel Sengstag knows our field of activity, software solutions for industry, extremely well and was able to identify and qualify suitable personalities for our team quickly and precisely. We worked hand in hand throughout the selection process, and the recruitment processes reached the desired result within the planned timeframe: a successful hire. We would especially like to mention the discretion, which is very important to us because people know each other in the industry. We are happy to recommend Daniel Sengstag as an experienced Executive Search partner and thank him for the very positive collaboration.
Member of the executive board
software company
The collaboration was professional and solution-oriented. Abexis helped us create clarity in a complex reorganization process.
Ernst Aerne
Abraxas Informatik AG
The coaching sustainably changed our sales methodology. The quality of decisions in the team has measurably improved.
Jeremias Wehrli
CEO, Cyltronic AG
Thanks to the structured project initialization, we gained more transparency and control.
Heinz Knöpfel
City of St. Gallen
What distinguishes Abexis is emotional intelligence.
Stefan Schmidlin
Modula AG
