1946
Jim Lindenberg is CEO of Bolinao Electronics. His top deputies are Slim Chaney, Ben Pambuan and Abelardo Yabut

1951
Tony Quirino buys Bolinao and renames it Alto Broadcasting. Tommy Chaves is named GM

1958
Rolly Cruz joins CBN as a messenger; he will eventually become AGM

1961
Luis Garcia is named GM of both ABS and CBN
1964
Fil Delfino joins ABS as VP in charge of television

1966
Jake Almeda Lopez is named GM. Fil Delfino becomes deputy GM. Late in 1966, Freddie Garcia joins ABSCBN as marketing assistant for Channel 9

1970
Jun Jison is named to head the entire TV division. George Gaddi is named to run Channel 4. Pastor “Choy” Escano is named to run Channel 2. Jimmy Navarro is in charge of Channel 4 production

1971

Ben Aniceto is named station manager for Channel 2. Tits Tañada becomes news director

1986
In November, Freddie Garcia becomes GM, and Rolly Cruz becomes his top deputy. Jimmy Navarro is in charge of programming. Gabby Lopez joins ABS-CBN as treasurer

1987
Geny hires Charo SantosConcio as a production consultant. She will eventually become EVP in charge of the Entertainment Group

1992
Lito Balquiedra Jr. is named VP for radio and provincial operations, succeeding Rino Basilio. Ricardo “Dong” Puno is named VP for news, replacing Rod Reyes, who has been named press secretary

1993
ABS-CBN begins to create Gabby Lopez’s vision of an integrated media company, with subsidiaries like Star Cinema and ABS-CBN International

1994 
In February, Gabby Lopez becomes president of ABS-CBN, as Geny Lopez becomes chairman. Freddie Garcia becomes GM

1997
In December, Gabby Lopez is named chairman and COO of ABS-CBN; Freddie Garcia is named president

1999
Geny Lopez passes away

2001
ABS-CBN is hailed as the top Philippine media entity by the Far Eastern Economic Review, which includes it in its list of Asia’s most admired companies for the ninth straight year

2003
In October 2003, ABS-CBN marks the 50th year of Philippine TV
Freddie Garcia retires

2004
Cito Alejandro is the new president and COO

2006
Charo Santos-Concio is named channel head

2008
Santos-Concio becomes president and COO

2013
Santos-Concio is also named CEO

2015
Carlo L. Katigbak becomes COO

2016
Katigbak is the new president and CEO upon Santos-Concio’s retirement; she now serves as ABS-CBN chief content officer and ABS-CBN University president

2018
Chief technology officer Martin L. Lopez becomes chairman, while Gabby Lopez becomes the second chairman emeritus of ABS-CBN 

(Sources: Kapitan: Geny Lopez and the Making of ABS-CBN; ABS-CBN Corporate Communications)