Jill Mastrostefano More about Jill Mastrostefano Since co-founding P Four in 2009, Jill has been responsible for overseeing the design direction of the firm. Jill's creativity and talents have been recognized with hundreds of local, regional and national design awards. Jill's work has been published in The Washington Post, Builders Magazine, Home & Design Magazine, and Country Living Magazine to name a few. Prior to establishing P Four, Jill served as the East Region Director of Interior Merchandising for Pulte Homes. In this role, she was responsible for designing and installing hundreds of award-winning model homes, sales environments and clubhouses. Jill holds a degree in Interior Design and has 8 years experience as a visual merchandiser for Crate & Barrel.