Masri is the visionary and founder of Rawabi City, and oversees the construction and development of the city. Rawabi City is a high-tech planned city, the first of its kind in Palestine, and it was funded fully by the private sector, Rawabi is considered the largest private sector investment is Palestine's history, the construction of the city so far has cost 1.4 billion dollars. Rawabi is being constructed by Bayti Real Estate Investment Company that is jointly owned by Qatari Diar Real Estate Investment Company and Massar International. With its more than 6,000 housing units built to serve families from multiple demographics, state-of-the-art infrastructure, and an emerging commercial hub, the city has already made a positive economic and social impact on Palestinians and it is constructed to provide housing for 25,000 person in its first stage and 40,000 people when it is done. Not only does the city provide affordable housing options it is also the second biggest generator of jobs, after the Palestinian Government, providing between 8,000 and 10,000 job opportunity a year for construction workers, in addition to thousands of job opportunities, whether in Massar International companies that moved there, or in the different shops and entertainment facilities the city provides.
Masri aims for the City of Rawabi to be the Silicon Valley and the Tech Hub for the State of Palestine, in attempts to provide spaces for promising technology and technology related startups at the city, and businesses from inside and outside of Palestine to the city.
In July 2022, Apple Inc.Apple announced that the company would be expanding their research and development centre in Rawabi. The expansion will take place via hiring contractor ASAL Technologies and Masri in order to achieve the expansion.