In the past few weeks there have been some position changes in the HR consulting scene and in personnel services – an overview of the most important ones.
HCM-Softwareanbieter Perbility: Sophie Genty becomes CEO
Perbility has appointed Sophie Genty as Chief Executive Officer, effective March 1, 2026. Genty succeeds company founder Andreas Meck, who is retiring from operational business after more than 15 years and will in future serve as Chairman of the Supervisory Board. Perbility was founded in 2009. The new CEO has more than 15 years of experience in building digital product organizations. Most recently, she was CEO of the HR software provider Compleet. Previous positions include leadership roles at F24, Xempus and the BMW Group. Perbility, based in Bamberg, operates the modular HCM platform Helix and claims to have more than 1,500 customer organizations, including numerous savings banks and public administration institutions. The company says it employs around 200 people.
Heidrick & Struggles: two new Atreus bosses
The personnel consultancy Heidrick & Struggles has Dr. Christian Frank and Mike Schwanke appointed managing directors of Atreus, the company’s German interim management arm. Both took over the role when the change was announced on February 19, 2026. The company founders Dr. Harald Linné and Rainer Nagel will remain part of the management until the end of 2026 to ensure an orderly management transition.
Frank is a long-time partner and member of the Executive Board of Atreus and has more than 30 years of management experience in restructuring, change management and sales. Most recently, he headed the Mechanical and Plant Engineering Solution Group. Schwanke has more than 20 years of experience in the digitalization of marketing and sales as well as in transformation projects and previously led the Solution Group Consumer Goods and Retail. Heidrick & Struggles acquired Atreus in 2023.
Dr. Theofanis Tacou becomes a partner at Baker Tilly

The international consulting and auditing company Baker Tilly has appointed Dr. Theofanis Tacou appointed as partner in the Hamburg office on March 1, 2026. Tacou is a specialist lawyer in labor law and is moving from Advant Beiten, where he was also a partner. His main areas of advice are labor and compensation law, labor law support for restructurings and the maritime economy. He is also admitted to the bar in Germany and Greece. Tacou brings another lawyer with him. Baker Tilly’s employment law practice group now includes a total of twelve lawyers in Frankfurt, Munich, Stuttgart and Hamburg. It is led by Frankfurt partner Kerstin Weckert, who has also been co-lead of Baker Tilly International’s Employment Law practice group since last July.
Dr. Michael Matthiessen becomes counsel at Heuking
The business law firm Heuking strengthened its Berlin employment law team on April 1, 2026 with Dr. Michael Matthiessen as Counsel. The 50-year-old labor law specialist is moving from Advant Beiten, where he worked as a salary partner. Matthiessen advises and represents employers in individual and collective law disputes. His focus is on healthcare companies and diaconal institutions in employee representation and church labor law. With his entry, Heuking’s employment law practice group now includes 61 professionals.
Cliff Sidhu becomes Managing Director DACH at Sthree
Global HR consultancy Sthree has appointed Cliff Sidhu as Managing Director DACH. He succeeds Christophe Zwaenepoel and takes responsibility for the strategic development of the business in Germany, Austria and Switzerland. Sidhu has been working for Sthree since 1997 and has been with the company for almost 30 years. He began his career as a sales consultant and has since taken on management roles in Great Britain and Germany. Since moving to Germany in 2012, he has been instrumental in expanding the DACH business and most recently served as Senior Director DACH. In his new role, he will be responsible for all Sthree brands in the region, including Computer Futures, Progressive, Huxley and Madison Black. The advice specializes in MINT careers.
SD Worx SAP Solutions: van Galen becomes managing director
SD Worx has appointed Ruud van Galen as Managing Director SD Worx SAP Solutions, effective April 1, 2026. Van Galen brings more than 20 years of international experience in HR, cloud services and payroll. He spent ten years in various leadership positions at SAP Success Factors and previously held roles at Infosys BPM and NGA Human Resources. According to its own information, SD Worx is one of the three leading providers of SAP-based HR and payroll solutions in Europe and sees further growth potential, particularly in France, Germany and the Nordic countries. Van Galen reports to Gille Sebrechts, Executive Vice President at SD Worx.
HR suite manufacturer Humera: Markus Schindler becomes CTO
The Humera Group from Munich has appointed Markus Schindler as Chief Technology Officer. The company is known in the HR environment for its Perbit products, among other things. Schindler previously worked as Chief Software Architect at Humera and is now responsible for the technical implementation of the product strategy as well as research and development. He is considered the developer of the low-code base WFX, which forms the technical basis of the Humera HR Suite. Before joining Humera, Schindler was CTO and member of the management team at the Step Ahead Group as well as founder and CEO of WFX Software. Previous positions include positions at Matrix 42 and the BMW Group. According to its own information, the Humera Group employs more than 250 people at seven locations and generates sales of around 30 million euros.
In addition to the personnel changes, there are also other changes at this HR service provider:
Insolvency: SFS Personalservice is looking for an investor
The Erfurt personnel service provider SFS Personalservice had to file for insolvency. The responsible court has appointed Christoph Rothämel from the law firm Schultze & Braun as provisional insolvency administrator. Rothämel has initiated a search for investors with the aim of selling the company, which was founded in 2005, and preserving as many of the approximately 120 jobs as possible. The salaries continued through the insolvency benefit up to and including March.
The insolvency was triggered by a short-term loss of orders from a main customer in the area of security and surveillance services. The resulting liquidity gap could not be closed in time. According to the insolvency administrator, business operations in temporary employment and in the security industry were continued. Due to the loss of orders, the employment contracts of around 60 employees have already been terminated. The company announced this in mid-February. The editorial team is not aware of any further developments.