Who is behind Instone's success?

A successful company needs competent leadership. Our management team has many years of experience in residential development and extensive expertise in the real estate sector.

Kruno Crepulja, Management Board

Kruno Crepulja

Chairman of the management board / CEO of Instone Real Estate Group SE

Kruno Crepulja is Chairman of the Management Board / CEO of Instone Real Estate Group SE. He has comprehensive experience as an engineer, site manager and project developer as well as a 17-year career on the management boards of large development companies such as Wilma Wohnen Süd GmbH. He was appointed CEO of Instone Real Estate’s predecessor, formart, in 2008. Furthermore, between 2011 and 2013 he was responsible for HOCHTIEF´s project development in Europe.

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Dr. Foruhar Madjlessi, Management Board

Dr. Foruhar Madjlessi

Member of the Management Board / CFO of Instone Real Estate Group SE

Dr. Foruhar Madjlessi was appointed member of the Board of Directors / CFO of Instone Real Estate Group SE effective January 01, 2019. As a recognized capital market expert, he has extensive expertise in the field of corporate finance. He spent the past twelve years with Deutsche Bank, where he most recently served as Managing Director of the ECM division for Germany, Austria and Switzerland (DACH). Prior to that, he was responsible for various functions for Merrill Lynch in Frankfurt, London and New York.

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Andreas Gräf, Management Board

Andreas Gräf

Member of the Management Board / COO of Instone Real Estate Group SE

Andreas Gräf is Member of the Management Board / COO of Instone Real Estate Group SE.  The trained construction administration manager has been working in the construction and real estate sector for 30 years. Andreas Gräf established residential development as a standalone business model at HOCHTIEF, and was appointed managing director of Instone Real Estate´s predecessor, formart, in 2008. Earlier, as the manager of various branches, he developed numerous projects in both the residential and commercial segments.

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Bianca Reinhardt Weith

Bianca Reinhardt Weith

COO South

Bianca Reinhardt Weith is managing director of Instone Real Estate Development GmbH. As Regional COO she is responsible for the operative development business in Bavaria and Baden-Wuerttemberg. She has a degree in industrial engineering (major field of study: real estate technology and real estate management) and has been with the company and its predecessor HOCHTIEF and formart since 2009. As a senior project developer, she took over the management of project development in 2013. She has been the branch manager in Baden-Wuerttemberg since 2015.

Carsten Sellschopf

Carsten Sellschopf

COO North East

Carsten Sellschopf is managing director of Instone Real Estate Development GmbH. As Regional COO he is responsible for the operative development business in Berlin and Hamburg. He is an industrial engineer (specialized in construction) with over 20 years of industry experience. He held a number of positions between 1997 and 2012 including branch manager of HOCHTIEF Projektentwicklung in Berlin and afterwards authorized officer of Investa Projektentwicklungs- und Verwaltungs GmbH (Berlin branch). Carsten Sellschopf returned to Instone Real Estate in 2014 and was appointed managing director in 2015.

Ralf Werner

Ralf Werner

COO Northrhine-Westfalia and Rhine-Main 

Ralf Werner is regional COO and as managing director responsible for the Northrhine-Westfalia and Rhine-Main region. The graduate engineer (focus on civil engineering) has been working for Instone Real Estate Development GmbH respectively its predecessor companies as a planner, site manager, project developer and acquirer since 2000. Also he was the Rhine-Main branch manager between 2013 and 2021.

André Mathew

André Mathew

Commercial Director of Instone and nyoo

André Mathew is commercial director of Instone Real Estate Development GmbH and Nyoo Real Estate GmbH. The business studies graduate holds a Master of Science in „Accounting and Taxation“. After working as a chartered accountant with Deloitte for over 14 years, he took over the position as commercial consultant in the Finance division of Instone in April 2020. After a year he was appointed Head of Finance.

Stefan Dahlmanns

Stefan Dahlmanns

Managing Director of nyoo

Stefan Dahlmanns is managing director of Nyoo Real Estate GmbH. Between 2013 and 2020, the studied architect, real estate economist and project developer managed the branch of Instone respectively the predecessor company formart in North Rhine-Westphalia. Previously, he worked as a partner for a large German architecture firm in Cologne and thus has many years of experience in the development, planning and implementation of large-scale urban development projects