Cas Stachelberg, a principal with Higgins Quasebarth & Partners, received a BA in Art History from Duke University and an MS in Historic Preservation from Columbia University.  Mr. Stachelberg’s work with the firm is wide-ranging and includes directing restoration and rehabilitation projects of varying scales at the local, state and federal levels.  He brings a wealth of knowledge to each project, integrating various aspects of the discipline including historical documentation, site investigation, technical preservation assessment, design analysis, and regulatory review.  As a principal in the firm, Mr. Stachelberg works with private, corporate, not-for-profit, and institutional clients including Tishman Speyer Properties, The Durst Organization, The Walt Disney Corporation, Scholastic, Inc., Coalition for the Homeless, Clinton Housing Development Corporation and Columbia University on projects involving local New York City landmarks review, state and federal review under Sections 14.09 and Section 106, and the investment tax credit.   He directs the office’s retail projects, working with clients including Apple, Crate & Barrel, Coach, Limited Brands, The Gap, Diesel and others.  He has written articles on a variety of preservation topics, including the R. Guastavino Company’s early history in New York City, and co-authored a Tech Note for the National Park Service on the repair and rehabilitation of cast-iron sidewalk vault lights.  Independently, Mr. Stachelberg has lectured at local universities, speaking on topics related to architectural history and preservation theory and practice.  He has also been involved in international preservation efforts, serving on the faculty of a post-war reconstruction conference held in the city of Mostar, Bosnia-Hercegovina.