Dr. Henrich Schleifenbaum studied at the Universities of Tübingen, Berlin (FU) and Munich (LMU), receiving his doctorate with his dissertation on "General Principles of Administrative Law". In 1969 he joined Schleifenbaum & Adler, a law firm founded by his father Rudolf Schleifenbaum. At present he advises his clients in the areas of corporate and inheritance law. He specialises in legal issues relating to company succession, mergers & acquisitions and company transformations.

As a Specialist Lawyer for Tax Law, he also practices in particular inheritance, bestowal and transformation tax law. In addition, he serves as counsel for his clients in alternative dispute-resolution proceedings and himself acts as arbitrator and mediator.

The (retired) notary public can also draw on a wealth of experience in the field of notarial matters, and he is still available to assist clients today. He regularly fills in for the firm's notaries whenever necessary.

Dr. Henrich Schleifenbaum was instrumental in the founding of the CONSULEGIS global network of lawyers. Since then, he has served as member of the Board and as its ombudsman. On top of his professional activities, Dr. Henrich Schleifenbaum is extensively involved in charitable causes. He is Chairman of Trägerversein Apollo-Theater Siegen e.V., Chairman of the Board of Trustees of the Peter-Paul-Rubens-Foundation and a member of committees of many non-profit institutions. He is also a member of the supervisory and advisory boards of well-known companies.

As an author, Dr. Henrich Schleifenbaum has already written several articles on issues involving labour, corporate, tax and administrative law. After serving many years as a member of the Judicial Examination Office of North Rhine-Westphalia, he is now a lecturer at the University of Siegen, where he passes on his knowledge and insight to the next generation.