Question: Patrick MacLeamy is the chairman and former CEO of which American architecture, engineering and planning firm?

full_context: Document 1: Hoit, Price and Barnes: Hoit, Price & Barnes was a prominent Kansas City architectural firm in the early 20th century. It designed several skyscrapers and mansions including three of the current ten tallest buildings in Kansas City; the Kansas City Power and Light Building, 909 Walnut, and Oak Tower.
Document 2: César Pelli: César Pelli, founder of Pelli Clarke Pelli Architects, is an Argentine American architect who has designed some of the world's tallest buildings and other major urban landmarks. Some of his most notable contributions include the Petronas Towers in Kuala Lumpur and the World Financial Center in New York City. The American Institute of Architects named him one of the ten most influential living American architects in 1991 and awarded him the AIA Gold Medal in 1995. In 2008, the Council on Tall Buildings and Urban Habitat presented him with The Lynn S. Beedle Lifetime Achievement Award.
Document 3: Glenn Murcutt: Glenn Marcus Murcutt AO (born 25 July 1936) is a British-born Australian architect and winner of the 1992 Alvar Aalto Medal, the 2002 Pritzker Architecture Prize and the 2009 American Institute of Architects Gold Medal. Being the only Australian winner of the prestigious Pritzker Prize, he is often referred to as Australia's most famous architect.
Document 4: ZGF Architects LLP: ZGF Architects LLP (ZGF), formerly Zimmer Gunsul Frasca Partnership, is an American architectural firm with offices in Portland, Oregon; Seattle, Washington; Los Angeles, California; Washington D.C.; New York, New York; and Vancouver, Canada. Founded in 1942, the firm was listed in 2011 as the #4 architectural firm in the United States by "Building Design+Construction", and ranked the #9 architectural firm by "Architect". In 2016 "Architect" named ZGF the #1 architecture firm in the country, citing the organization's dedication to sustainability as a major deciding factor. Between the company's five offices in the United States and their office in Canada they employ more than 600 employees.
Document 5: Allianz De Architecture: Allianz De Architecture is an architecture, design and planning firm that was founded in 2001 in Mumbai, India. It currently operates offices in Mumbai and Bangalore in India and provides urban design and architectural consulting and planning services. The firm's designs can be seen at various parts of Mumbai and nearby metropolitan regions and it is known for its work inspired by sustainable modern architectural practices as well as a sensitivity for society and the built-natural environment.
Document 6: Peter L. Gluck: Peter L. Gluck is principal of GLUCK+ (formerly Peter Gluck and Partners), an architecture firm based in New York City since 1972. A monograph of his work, "The Modern Impulse", was published by ORO Editions in 2008. Gluck has designed buildings ranging from hotels, schools, university buildings and affordable housing to churches, houses, corporate interiors and historic restorations. Many of his projects regularly win national and international design awards and have been published in architectural journals and books in many countries. Gluck's son is director Will Gluck.
Document 7: Stephen P. MacMillan: Stephen P. MacMillan is the Chairman, President, and Chief Executive Officer, and Director of Hologic, a medical device and diagnostic manufacturer headquartered in Marlborough, Massachusetts. He was previously the Chairman of the Board, President, and Chief Executive Officer of Stryker Corporation, a global medical device company, and has 24 years of healthcare industry operating experience. He served as Chief Executive Officer of Stryker from January 2005 to February 2012 and served as its President from June 2003 to February 2012. During his tenure at Stryker, MacMillan successfully led the company through a series of key strategic acquisitions, the launch of a number of products within the orthopedic implants and medical instrumentation businesses, and delivered strong operating performance, with revenue growing from $2.8 billion to $8.3 billion, between 2003 and 2011. During his tenure, Stryker delivered stock price appreciation of more than 62%, compared to appreciation of the S&P 500 index of approximately 40%. While MacMillan presided as CEO, Stryker was selected by FORTUNE, over multiple consecutive years, as one of the "World's Most Admired Companies" in the Medical Equipment Industry.
Document 8: Zoka Zola: Zoka Zola is a Croatian architect and teacher who operates her own studio in Chicago, Illinois. She has license to work as an architect in the USA, the UK, and Croatia. Her most notable work is the Pfanner House for which she received the Home of the Year Award named as the best house in North America by Architecture Magazine. Kenneth Frampton's publication the "American Masterworks: Houses of the 20th and 21st Centuries" lists this house among the 43 houses constructed in the USA since 1985. She is also a professor at the School of Architecture at University of Illinois, Chicago. Her firm is also involved in design of three zero energy houses of which one is located in Chicago (for which she has received an award) and the other two are in Kuala Lumpur.
Document 9: Leo A Daly: LEO A DALY, established by Leo A. Daly, Sr. in 1915, is an American architecture, planning, engineering, interior design and program management firm. The firm’s portfolio includes projects in 91 countries, all 50 U.S. states and the District of Columbia. The firm currently employs approximately 800 architects, planners, engineers and interior designers in 30 offices. It consistently ranks as one of the largest architecture, engineering and interior design firms in the United States, and is listed in BD World Architecture’s top firms.
Document 10: Albert Kahn Associates: Albert Kahn Associates is an architectural design firm in Detroit, Michigan with a second office located in São Paulo, Brasil. It was established in 1895 and is still active today. It introduced a new technology in industrial building involving a unique reinforced concrete method referred to as the Kahn System of construction using proprietary patented reinforcement steel manufactured by Trussed Concrete Steel Company. The building of automobile factories and other types of factories were revolutionized from wooden timber framing construction. Besides being an advanced technology in strength that led to wider open interior spaces, it featured a high degree of fire resistance and larger window space for light. The firm started by Albert Kahn built factories for Chrysler for over a decade, Ford Automobile for 30 years and Packard Automobile for 35 years. Other important clients of the firm were Republic Steel and General Motors. The firm was awarded a $40 million dollar contract to build a tractor factory in Russia in 1928. The firm's output was over a million dollars worth of work per week by 1929. By 1939, the firm designed 19 percent of all industrial buildings in the United States and had designed some $800 million of buildings worldwide. Currently, Albert Kahn Associates is still making history with state-of-the-art projects. Recent projects include creating the world's largest penguin conservatory,located at the Detroit Zoo, which opened in 2016.
Document 11: HOK (firm): HOK, formerly Hellmuth, Obata + Kassabaum, is an American worldwide design, architecture, engineering and urban planning firm.
Document 12: Patrick MacLeamy: Patrick MacLeamy, FAIA, LEED AP, (born October 2, 1942, in Alton, Illinois) is an American architect who is chairman and former CEO of HOK, a global architecture, engineering and planning firm.
Document 13: McKissack &amp; McKissack: McKissack & McKissack is an American architecture and engineering firm based for many years in Nashville, Tennessee, and now based in New York City and Washington, D.C. Founded in 1905, it was the first African-American-owned architectural firm in the United States and is the oldest African American-owned architecture and engineering firm in the country.
Document 14: Frank L. Hope &amp; Associates: Frank L. Hope & Associates, later known as the Hope Consulting Group and then the Hope Design Group was an architecture firm based in San Diego, California, California. It known for designing San Diego Stadium, later as known as Jack Murphy Stadium and now Qualcomm Stadium, which was awarded by the American Institute of Architects, as well as the First National Bank building in downtown San Diego, facilities at the University of California, San Diego, San Diego City College and others. It was the oldest architectural firm in San Diego, with satellite offices in San Francisco and Saudi Arabia.
Document 15: Ehrenkrantz Eckstut &amp; Kuhn Architects: Ehrenkrantz Eckstut & Kuhn Architects (EE&K) is an international architectural firm with offices in New York City, Washington DC, Los Angeles, and Shanghai. EE&K’s expertise spans large-scale urban development and infrastructure projects, mixed-use urban development and waterfronts, school and campus design, historic preservation and adaptive re-use.
ground_truth: HOK