Question: Metropolis includes a commentary by which television personality and chef?

Context articles: Metropolis (documentary series)
Geoffrey Zakarian
Andrew Zimmern
Vivian Howard
Chef James
Gale Gand
Richard Blais
Chris Cosentino
Aarón Sanchez
Toshiro Konishi

Metropolis is a travel guide documentary series that explores the culture and history of some of the major metropolitan cities in the world.
 The six episode series premiered on 4 January 2015 on the Travel Channel.
 Featuring some of the most iconic attractions in the city and its rich culture, it includes guest commentaries by noted celebrities such as Samantha Brown and Andrew Zimmern among others.
Geoffrey Zakarian (born July 25, 1959) is an American Iron Chef, restaurateur, television personality and author.
 He is the executive chef of several restaurants in New York City, Atlantic City and Miami.
 He is featured on several television programs on the Food Network, including "Chopped" and in 2011, "The Next Iron Chef", where he won the right to join "Iron Chef America".
Andrew Scott Zimmern (born July 5, 1961) is an American television personality, chef, food writer and teacher.
 He is the co-creator, host, and consulting producer of the Travel Channel series "Bizarre Foods with Andrew Zimmern," "Bizarre Foods America", "Andrew Zimmern's Bizarre World", and "".
 For his work on "Bizarre Foods with Andrew Zimmern" he was presented the James Beard Foundation Award in 2010 and another in 2013.
 He also hosts the show "Dining with Death", which discusses some of the foods that could cause death.
Vivian Howard (born 1978) is an American chef and television personality.
 She is most famous for being the head chef and co-owner of the restaurant Chef & the Farmer in Kinston, North Carolina, and for starring in the award-winning PBS television series "A Chef's Life".
James Tahhan, (born October 26, 1988), better known as Chef James, is a Venezuelan chef, television personality, restaurateur, and author.
 He is best recognized for being the official chef of Telemundo, and being a co-presentor of its morning show Un Nuevo Dia.
 In 2014, together with his friend, television personality Raúl González, Chef James opened his first restaurant, Sabores - by Chef James .
 It has subsequently been named one of the best restaurants in Miami.
 In 2016, Chef James released a cookbook, "The Homemade Chef: Ordinary Ingredients for Extraordinary Food".
Gale Gand is a Chicago-based pastry chef, cookbook author, television personality, and winner of the 2001 James Beard Foundation Award for Outstanding Pastry Chef.
 Gand was the host of the Food Network show "Sweet Dreams".
 She was the Chef-in-Residence at Elawa Farm, in Lake Forest, Illinois.
 Gand is a partner and was the founding Executive Pastry Chef at Tru, a contemporary fine-dining restaurant affiliated with Lettuce Entertain You Enterprises.
 Gand and her partners at Tru won the 2007 James Beard Foundation Award for Service.
 She has blogged for the Huffington Post, was a contestant on Iron Chef America in the 2006-2007 season, and was a judge on Bravo's Top Chef in 2008 for the episode Wedding Wars.
 Gand was also featured on the Great Chefs television program.
Richard Blais (born February 19, 1972) is an American chef, television personality, restaurateur and author.
 He is perhaps most recognizable for his win on the reality cooking show "Top Chef", and is known for his take on classic American cuisine.
 Blais was the runner-up for the fourth season of "Top Chef" and returned several seasons later to win "Top Chef: All-Stars".
 He was a recurring judge in seasons 12 and 13.
 He was nominated for a James Beard award for his first cookbook.
Chris Cosentino is an American celebrity chef and reality television personality known as the winner of "Top Chef Masters", a competitor on "The Next Iron Chef" and for his appearances on "Iron Chef America".
 He is known for his haute cuisine offal dishes, and was chef-partner at "Incanto" in San Francisco.
 Incanto closed on March 24, 2014, and has reopened as Cockscomb .
Aarón Sánchez (born February 12, 1976) is an American Mexican chef and television personality.
 He is the executive chef and part-owner of Johnny Sánchez with locations in New Orleans, Louisiana, and Baltimore, Maryland.
 He is a co-star of Food Network’s hit series, "Chopped", and the host of Cooking Channel's Emmy-nominated "Taco Trip".
 He has appeared on "Iron Chef America", and is one of the few chefs whose battles have ended in a draw, tying with Masaharu Morimoto in "Battle Black Bass" in Season 2.
 He was also a contestant on "The Next Iron Chef".
 In 2017, he joined Masterchef US Season 8 as a judge alongside Gordon Ramsay and Christina Tosi.
Toshiro Konishi (July 11, 1953 – April 17, 2016) was a Japanese Peruvian chef, musician, and television personality.
 Konishi, a pioneer of Japanese cuisine in Peru, opened one of the first Japanese restaurants in Lima in 1977.
 He was one of Peru's most famous chefs, and became a recognized television personality in the country.
 In 2008, the Japanese Ministry of Agriculture, Forestry and Fisheries awarded him the Minister's Prize.
 Konishi was the first Japanese chef based in Latin America to receive the award from the ministry.