What do you get when you combine a Manhattan advertising veteran who owned some of the most iconic businesses in the Hamptons with an economics-educated local surfer who has a successful building and development background? You get the Compass commercial real estate power-duo, Hal Zwick and Jeff Sztorc. One can count on one hand the people who bring the local hamlets’ Main Streets to life, and Hal Zwick has been one of those titans for decades. He recently added Sztorc to create the most powerful team on the East End that specializes exclusively on commercial and investment properties.