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A DEVOTED TEAM

Daniele Grasso, Managing Director - Altana Consulting SA

Daniele Grasso

Founder, Managing director

Daniele is a civil engineer who graduated from the Polytechnic School of Turin. He specialised in real estate development at the National Institute of Applied Sciences of Lyon and at the University of Geneva.

Daniele cumulated 20 years of experience throughout his career, which began at the Bouygues Construction Group, in the Paris region. He then joined the Swiss subsidiary Losinger, as development manager for major tertiary projects in the Canton of Vaud and Ticino. Later, he headed the division specialised in the development and management of complex real estate projects for private and public clients in French-speaking Switzerland for the CBRE group. 

In 2017, he created Altana Consulting, a real estate consulting firm. His objective: getting closer to local players and their sensibilities.

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Samuel Theis

Deputy Director

A graduate of École Centrale Paris, Samuel Theis has over 20 years of experience in the building and real estate sector. He began his career with the Bouygues group, where he managed construction and renovation projects for commercial buildings, before moving into project ownership and real estate development roles.

He then deepened his expertise in strategic advisory and project management within the JLL group, leading complex projects for both public and private clients, and managing multidisciplinary teams.

He continued his career at Losinger Marazzi, working as a real estate developer on projects involving significant technical, urban and partnership challenges.

At Altana Consulting, he contributes to the management of consulting and general planning assignments, as well as to the leadership of the firm’s service lines, within a structure that values agility, client proximity and operational engagement.

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Lawrence Lemarchand, MRICS

Development Manager

A graduate engineer from the École Spéciale des Travaux Publics, Lawrence Lemarchand specialized in asset management and real estate economics at the University of Birmingham and EPFL. He has 10 years of experience in the real estate sector, having begun his career at Deloitte as a financial auditor, where he carried out consulting assignments for European real estate clients for 5 years.


In 2019, Lawrence joined a Dutch real estate company as an Asset Manager, managing a commercial portfolio of six shopping centers. In 2021, he joined Redevco, where he managed a variety of commercial assets for a variety of private and institutional investors.


With his technical and financial analysis skills, Lawrence brings a strategic vision in terms of valuation, repositioning and operational management of assets, oriented towards sustainability.

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