[5][6] He was also an instructor and flight security agent accredited by the Center for Investigation and Prevention of Aeronautical Accidents (CENIPA)[5] with a specialization in special cargo and crisis management through International Air Transport Association (IATA).

[10][11][12] In 2000, Barioni became vice president of Gol Airlines, a company he helped to build alongside its CEO, Constantino Júnior.

[13][14][15] In 2009, Barioni left TAM[16][17] and became counselor and co-host of the TV show called O Aprendiz Universitário (The College Apprentice), alongside entrepreneurs João Doria Jr. and Cristiana Arcangeli.

[18][19] Also in 2010, David Barioni assumed the presidency of the Facility Group, a specialized recruitment consulting firm with branches across Brazil and abroad.

[20][21] In 2015, he was awarded by President Dilma Rousseff with the official degree of the Rio Branco Order, the highest award in Brazilian diplomacy, which honors individuals, businesses, military corporations, national and foreign civil institutions for their exceptional merits and services.