Petra Knab-Hägele (born 1969), with more than 30 years of consulting experience, is among the leading experts in questions of the implementation of corporate strategies in suitable management and control systems for top management and executives in the German-speaking area.
 
After starting her profession in strategy consulting, Petra Knab-Hägele joined a large international HR management consulting company in 1995 in which she was a partner from 2003 on, acting in the most varied fields of responsibility, among others as a member of the German management and in the leadership of the executive compensation & rewards business division.
 
She has had many years of experience, in particular in the fields of executive compensation, value-oriented company control and incentivisation, performance management as well as sustainable (also stock-based) variable remuneration. In addition, she has headed large international post-merger projects focussing on HR and change management.

David Voggeser joined hkp/// group beginning of 2011. There he advises companies on the design and implementation of compensation systems and on job evaluation. Another focus lies in the areas of employee participation, external compensation comparisons as well as company car guidelines.

His consulting mandates range from specialized support of start-ups to global, long-term projects, e.g. in the context of IPO implementations.

David Voggeser is a sought-after speaker at professional events and lead author of numerous studies, including the Global Equity Insight Survey, the world's most comprehensive study on equity-based compensation and employee participation. He is also responsible for the hkp/// group Top Management Survey. 

Isabel Jahn joined hkp/// group in January 2017 as Senior Manager. She is consulting banks and financial services providers in all HR relevant matters.

After completing her Master studies in International Culture and Business Studies at the University of Passau, Isabel Jahn began her professional career as a graduate trainee in the HR department of one of the German major banks. She remained as an HR advisor responsible for areas such as recruiting, staff development and internal staffing in various business segments and supporting restructuring projects.

In 2004 she moved to on of the largest Swiss banks. Based in Frankfurt, she held various technical expert and management functions in the areas of talent management and development, global HR projects, and HR principles and compensation. Since 2013 she has been an Executive Director in her position as Head of Human Resources Germany and HR Business Partner for Germany and Austria.

Isabel Jahn holds various additional qualifications, including Certified Business Mediator (Chamber of Industry and Commerce, IHK) and Systemic Consultant (Institute for Systemic Consulting, ISB).