Nina Grochowitzki has worked for the hkp/// group since its founding in 2011. Her consultancy work focuses on corporate governance and management board and supervisory board compensation.

The business mathematics graduate also has expertise in evaluating and structuring long-term incentives and company pension schemes. In addition to her consultancy mandates, Nina Grochowitzki supports a wide range of projects and activities aimed at establishing and maintaining good corporate governance and she has been involved in compiling identification standards in remuneration reporting and the guidelines for sustainable Management Board Compensation.

Nina Grochowitzki has authored numerous studies and editorial articles for specialist publications.

Since 2006 Dr. Jan Dörrwächter is a lawyer. In April 2017 he became Senior Partner and member of the executive board of the hkp /// group.

After five years as an expert at the Bavarian Ministry of Finance he joined the E.ON Group as Director of Executive Board Affairs in 2004, responsible for contract and compensation issues for the management board and for top executives in Germany. He was admitted to the bar in 2006.

Until the end of 2015 he held various HR management positions in the Group, most recently that of Director Reward & Board Affairs at E.ON. In the course of the split up of the E.ON Group, he took over responsibility for the topics of reward, talent management, learning and development, and HR controlling as Senior Vice President HR Centers of Expertise at Uniper SE from January 2016. In addition, he was responsible for management board matters and executive contracts.

At hkp/// group, Dr. Jan Doerrwaechter gives advice to companies in matters of board and executive compensation. He is the author of numerous, especially legal, articles.

Dr. Pia Lünstroth is Partner at the hkp///group Corporate Governance Advisory. She advises companies in Europe on aspects of good and sustainable corporate governance, in particular on the compensation of managing top executives, executive board members and supervisory board members, and has also supported numerous IPOs in Germany and abroad in these areas.

She holds a diploma in mathematics and a PhD in economics.  As a member of the "Board Composition and Compensation" expert committee of the Arbeitskreis deutscher Aufsichtsrat e.V. (AdAR) she is involved in training and further education for executives and supervisory boards, also as a lecturer for Management Alliance.

She regularly gives talks at universities as a guest lecturer and manages the academic cooperations of hkp///group. Dr. Pia Lünstroth is author of numerous studies and editorial contributions for specialist publications.

Regine Siepmann, Senior Partner, is a member of the founding team of the hkp/// group. As an experienced consultant, she has been supporting Supervisory Boards and Corporate Offices in questions of sustainable Corporate Governance and compensation at the interface of HR, strategy and finance for about 15 years.

As head of the consulting practice Board Services at hkp/// group, her consulting focus includes the design and amount of executive compensation as well as the composition and evaluation of the working methods of Supervisory Boards and the investor-friendly communication of issues relevant to Supervisory Boards. Furthermore, she deals with the disclosure of the remuneration of board members according to national and international accounting standards and she is a member of the working group on executive compensation of the German Accounting Standards Committee (in German: Deutsches Rechnungslegungs Standards Committee e.V. - DRSC).

Regine Siepmann is involved in continuous education for Supervisory Boards and is active alongside Supervisory Board chairmen, investor representatives and academics in the working group Guidelines for Sustainable Management Board Remuneration. The Corporate governance expert is a member of the Association of Independent Compensation Consultants (VUVB) as well as a sought-after speaker and author of numerous specialist articles and publications.