Petra Weber

CEO / managing partner

Petra Weber 2

Petra Weber, born in Landstuhl, Rhineland-Palatinate, holds a degree in business administration from the "Freie Universität Berlin".

She is the Managing Director of INSITU Immobilien Konzepte GmbH and has more than 20 years of experience in the marketing of residential and commercial real estate.



Florian Cepede

Real Estate Consultant

Cepede 2

Florian Cepede, born in France, works for Insitu since 2016. He is specialized in counseling french real estate investors in Berlin. 
He holds a Master degree in law with specialization in real estate law and worked several years on brokerage, asset management and developing management of commercial and residential assets. 



Sina Zielke

Head of Marketing / Sales Coordinator

sina zielke sw neu

Sina Zielke studied Communications Management in Berlin and has worked in marketing and sales in the real estate sector for more than eight years. Her focus lies in positioning the sale of a real estate property on the market as well as marketing individual real estate projects. 



Monika Trester

Office Managerin

Frau Trester

Monika Trester, as Office Manager, has been a valuable addition to our team since 2018. She has long-standing experience in all areas of real estate, especially sales and renting, as well as in the back office. 



Ling Luo

Real Estate Consultant

Frau Ling Luo

Has lived in Berlin since 1986 and has worked in various organisations and educational facilities. She has more than 25 years’ experience in accompanying delegations from China, especially from her home region of Chengdu. In 2011 she set up the “Sino-German Art Exchange project”, and she initiates art exhibitions and acts as a curator both in China and Germany. Ling Luo is Insitu’s contact partner for Chinese clients and she is a skilled consultant in all matters pertaining to real estate property. 

Insitu maintains a broad network composed of in-house sales agents and external cooperation partners working industriously to meet your real estate needs. Our company management is always glad to receive your requests so that we can provide you with solutions tailor-made for you.