| NU Bulldogs | |
|---|---|
| Position | Assistant coach |
| League | UAAP |
| Personal information | |
| Born | November 3, 1972 Manila, Philippines |
| Nationality | Filipino |
| Listed height | 5 ft 9 in (1.75 m) |
| Listed weight | 165 lb (75 kg) |
| Career information | |
| High school | Philippine Cultural High School (Caloocan)[1] |
| College | UST |
| PBA draft | 1996: Undrafted |
| Playing career | 1997–2000 |
| Position | Point guard |
| Career history | |
| As player: | |
| 1996 | Sunkist Orange Juicers |
| 1997–1998 | San Miguel Beermen |
| 1999–2000 | Pampanga Dragons |
| As coach: | |
| 2000–2003 | San Miguel Beermen (assistant) |
| 2004–2006 | Barangay Ginebra Kings |
| 2007–2010 | San Miguel Beermen |
| 2011–2013 | Barangay Ginebra Kings / Barangay Ginebra San Miguel |
| 2014 | Barako Bull Energy |
| 2015 | San Miguel Beermen (assistant) |
| 2015–2018 | De La Salle (assistant) |
| 2019–2021 | CSB (assistant) |
| 2022–present | NU (assistant) |
| 2024–present | NLEX Road Warriors (assistant) |
| Career highlights and awards | |
| As player:
As head coach: As assistant coach: | |
Bethune "Siot" Tanquingcen is a Filipino professional basketball head coach. He is currently an assistant coach for the NU Bulldogs and the NLEX Road Warriors.
As coach, Tanquingcen has won three PBA championships: two with Barangay Ginebra San Miguel (2004 Fiesta Conference and 2004–2005 Philippine Cup) and one with the San Miguel Beermen (2009 Fiesta Conference).
He was former player for the UST Growling Tigers in the UAAP, the Sunkist Orange Juicers and the San Miguel Beermen in the PBA and the Pampanga Dragons in the Metropolitan Basketball Association. He finished high school at the Philippine Cultural High School.[2]