George G. Sharp, Inc., a leading New York naval architectural firm, has announced a realignment of its top corporate and technical management personnel. Douglas C. MacMillan was made chairman of the board of directors, a position that has been vacant since the death of Mr. Sharp in 1960. Robert P. Giblon was named president and chief executive officer, Robert J. Tapscott was made vice-president, Thomas P. Nacinovich will remain as treasurer, and Kenneth M. Shauer was named secretary.

Lorentz Hansen remains in his position as principal naval architect and Vladimir U. Minorsky, John McDougall, Alf. J. Stromsted and Norman R. Farmer remain in their positions of chief naval architect, basic design; chief naval architect, contract design; chief electrical engineer, and manager, systems analysis, respectively. Dr. I. Hilary Rolih was appointed chief marine engineer, succeeding Mr. Shauer.

Mr. MacMillan is a graduate of Massachusetts Institute of Technology, a member of the National Academy of Engineering, a vice-president of The Society of Naval Architects and Marine Engineers, a member of the American Bureau of Shipping and has served on many government and professional committees. Mr. Giblon is a graduate of Stevens Institute of Technology and has been active in both The Society of Naval Architects and Marine Engineers and the American Society of Mechanical Engineers and has served on technical committees, including the American Bureau of Shipping. Mr. Tapscott is a graduate of Massachusetts Institute of Technology and has served on committees of The Society of Naval Architects and Marine Engineers, American Bureau of Shipping, and is a member of the U.S. Coast Guard Committee on Safety of Life at Sea.

Mr. Nacinovich is a graduate of Polytechnic Institute of Brooklyn and has been active on committees of the Institute of Electrical and Electronic Engineers including that of chairman of the New York Section Transportation Division. Mr. Shauer is a graduate of California Institute of Technology and New York University, and has served on committees of The Society of Naval Architects and Marine Engineers. Dr. Rolih is a graduate of the University of Trieste, Italy, and Polytechnic Institute of Brooklyn, and has served on the marine committee of the American Society of Mechanical Engineers.

All are licensed professional engineers, authors of many technical papers, and have at least 25 years of service with Sharp, except Mr. Shauer and Dr. Rolih who have 12 years.