Our Team

John D. Leinberger

Director of Construction Operations

John started his journey in constuction in high school; working summers with different subcontracting companies, learning as much as he could about every stage of residential construction. During summers in college, he worked as an assistant builder for Danforth Homes LLC., learning the role of superintendent and project manager. Upon completion of college, John moved in to commercial construction; working as a project manager, overseeing contracts for the federal government; doing everything from building data centers, to security room installations. To expand his horizons in the commercial industry; John began working for a commercial general contractor as a project manager, overseeing tenant fit outs. This invaluable multi facet experience led John to found Crixus Construction.


John T. DiFiglio

Senior Project Manager

Through oversight of projects with the federal government in the greater Washington metropolitan area J.T. has honed his skills to provide cost-effective execution and quality completion of multifunctional and multi- task projects. Project objectives, job requirements, and client needs are met through a strong emphasis on communication and teamwork. J.T.'s management philosophy focuses on the client's needs and expectation through utilization of total quality management techniques (TQM), which empowers the team to be creative in developing better ways of serving clients and eliminating errors.