Herb Mansinne

Herb Mansinne

Senior Managing Director, Brokerage

Current responsibilities

Herb Mansinne is a Senior Managing Director based in JLL's Northern Virginia office. With over 31 years of agency leasing experience, he is a senior member of the market leading Northern Virginia Agency Leasing team.


Herb joined JLL upon the merger of LaSalle Partners and Jones Lang Wootton. He was a part of the original investor services team hired by Jones Lang Wootton in 1997 to open and establish the Northern Virginia office and the Northern Virginia Agency Leasing team.

In the past 20 years he has participated in more than $1 billion of leasing transactions involving more than four million square feet in over 1,000 transactions. Additionally, he has been involved in more than $975 million of sales transactions and since 2012 Herb has handled the exclusive leasing for the largest data center portfolio in Northern Virginia on behalf of Digital Realty.

Herb's team has been associated with some of the regions highest profile and trophy office building developments. His knowledge of large, complex ground up development transactions, customized property marketing campaigns as well as future proposed developments throughout Northern Virginia continue to distinguish Herb and his team. His leadership in the development and delivery of the regions largest and most respected market research and data platforms has helped to create the new standard for property and real-time market analytics.

Education and affiliations

Herb holds a Bachelor of Science degree in Communications from George Mason University. He is a licensed salesperson in Virginia.