Real Estate Performance Philosophy Proptimize

Real estate solutions for optimal returns

At home in commercial real estate

At Proptimize you benefit from working closely with experienced real estate specialists. Thanks to our efficient organization, we are remarkably flexible and you are assured of short lines of communication. We have a large and solid network and if necessary bring in the best (external) professionals, so that every problem is answered quickly and in the right way.

Meet our team

Joffrey Lagaunne

Founder | Managing Partner
About Joffrey

About Joffrey

Joffrey Lagaunne started Proptimize in 2012 and since then Proptimize has proven itself to be a reliable player with thorough expertise and network.

Joffrey started his career in 2002 as consultant and appraiser for a regional broker firm. In 2006 he continued his career at JLL as industrial and logistics advisor for the South of the Netherlands. In 2007 up to 2012 Joffrey has been at the helm of private property development and investment company Somerset Real Estate. Since then he has developed, realized, rented and sold several leading and large-scale logistics buildings.

In 2015 to 2018 Joffrey has worked as (assigned) Asset Manager on one of the most prominent office projects on the Amsterdam Zuidas (The Atrium) and The Hague (New Babylon), on behalf of Icon Real Estate.

Recently, he developed - with a business partner- two large Grade-A logistics buildings at Schiphol Airport - totaling 70,000 sqm - and sold these to Deka Immobiliën Investment GmbH.

Nowadays, he mainly focusses on further expanding the industrial and logistics (re)development pipeline. In addition, he supports the Asset Management team with his expertise and network during acquisitions of both new investments and Asset Management mandates.

Martijn van Rosmalen

About Martijn

About Martijn

Martijn is an experienced real estate professional with an extensive network. After completing a Master of Science in Business Administration at Nyenrode Business University, he worked as a Senior Consultant at DTZ Zadelhoff (now C&W) and CBRE and continued his career as Senior Asset Manager for private investors, private equity and institutional parties, including CBRE Global Investors where he was responsible for amongst others WTC Schiphol and WTC Utrecht. Martijn is known for his long-term business relationships, involvement and clear advice.

Martijn is responsible for the existing asset management portfolio and its expansion.

Monique van Lotringen

Office Manager
About Monique

About Monique

Monique van Lotringen is the safe pair of hands at Proptimize. As an office manager, she focuses on the ins and outs of the office, so that her colleagues can fully focus on their work. A service-oriented scope with organizing tasks, where accuracy, decision-making and customer focus are of paramount importance.

With her experiences, Monique knows better than anyone how important good communication is with clients. In addition, she is structured, result-oriented and always fully informed on the status of current projects and acts with integrity at all times.

Fleur Klunder

Senior Asset & Development manager
About Fleur

About Fleur

Fleur joint the Proptimize Team in January 2021. Starting her career in Real Estate in 2008, Fleur worked as a nationally orientated valuer at Cushman & Wakefield (former DTZ Zadelhoff) for nearly 3 years, her ambition for a far more commercial role made her switching jobs to CBRE as a Real Estate Advisor.

At CBRE Fleur started off as a leasing consultant in the larger Amsterdam Region, providing strategic advice to real estate investors. Whilst doing so she built up her network and knowledge of the office market. In 2017 she decided to switch her focus to Occupier Advisory in the greater Rotterdam Region during which time she advised many corporates and national companies on their real estate strategy, she executed numerous relocation projects and provided advice on the optimization of larger portfolios. In her last position as Associate Director she was responsible for acquiring new business on both the investor and occupier side.

Identifying the best opportunities for her clients is what she does best. With her countrywide experience (she worked in Brabant, the Rotterdam Region and Amsterdam Region), her extensive network and commercial skills, she is a valuable addition to the Proptimize team and will further expand and strengthen the asset management and development portfolio.

Frances Booster

Asset manager
About Frances

About Frances

As of September 2021, Frances has joined Proptimize as Asset Manager. Frances started her career in 2007 at KFN (Kantoren Fonds Nederland) as Contract Manager. After the acquisition of KFN by ING Real Estate, she fulfilled the role of Commercial Analyst where she was part of the Asset Management team.

In 2010 Frances moved to Jones Lang LaSalle where she worked for several years as Senior (Commercial) Property Manager. In her role she served various leading (inter)national investors with a focus on commercial management of office and logistics portfolios, renovation and transformation projects as well as contract negotiations. She continued this position at MVGM after their acquisition of the management branch of JLL.

During her property career Frances has built an extensive network and gained knowledge which she will use to further grow and professionalize Proptimize's Asset Management portfolio.

Jaw-Yang Li

Asset Manager
About Jaw-Yang

About Jaw-Yang

Jaw-Yang has joined Proptimize in March 2021 as Asset Manager. In this role, his responsibilities include further optimization of the existing portfolio, as well as analyzing and acquiring new investments. Jaw-Yang graduated from the Technical University of Delft and holds a master’s degree in Real Estate & Housing. During his master’s he also gained knowledge of Real Estate Finance at the University of Amsterdam.

Jaw-Yang started his career in 2015 as Portfolio Management Consultant / Analyst at BBN Adviseurs. In 2016, he continued his career at EY Real Estate Advisory Services at which he remained for over four years as Senior Consultant, supporting clients in the public- and commercial real estate sector in the full transaction cycle.

Ethical, reliable and a great sense of responsibility are traits for which Jaw-Yang is known for.

Catelijn de Jong

Assistent Asset Management
About Catelijn

About Catelijn

Catelijn supports the Asset Management team of Proptimize in the daily execution of all internal and external operational activities. She is responsible for agenda and file management, as well as structuring of the internal processes. Catelijn is often the first contact for our tenants, suppliers and property managers.

She has worked at Slavenburg’s Bouwbedrijven, LSI project investment and CBRE and with this background she knows exactly where the (internal) priorities lie and how she can unburden the team.

Driven, loyal and structured are qualities that describe her best.

What we are good at

Asset Management

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