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Coaching Staff

Lipso Nava
Manager

2018 marks Lipso Nava's second season as manager of the San Jose Giants and 11th year overall in the San Francisco Giants organization. Nava previously served as San Jose's manager during the 2016 season after a three-year stint as the Giants hitting coach from 2013-15. He was the hitting coach for the Richmond Flying Squirrels (Double-A) last year.

Under Nava's leadership, the 2016 San Jose Giants qualified for the postseason with a 68-72 overall record. San Jose went 39-31 in the first half and 29-41 in the second half. The Giants earned a Wild Card berth in the North Division before falling to the Bakersfield Blaze in the Mini Series. Nava also served as San Jose's acting manager during the final month of the 2015 season leading the Giants to a pair of thrilling playoff series wins over the Stockton Ports and Visalia Rawhide en route to the North Division title. San Jose was a perfect 4-0 in elimination games in the first two rounds of the postseason before they were swept by the Rancho Cucamonga Quakes in the Championship Series.

This year is Nava's fourth season as a manager in the San Francisco farm system. In addition to his prior stint in San Jose, Nava managed the Augusta GreenJackets (Class-A) in 2011 and 2012. The 2011 club won the second half South Division title in the South Atlantic League and reached the playoffs. Nava's three-year managerial record entering 2018 (not including his time as acting manager in 2015) is 207-210. Nava also has experience managing in the Venezuelan Winter League. He led Aguilas del Zulia to the 2016 VWL championship and was named the league's manager of the year.

Nava played 16 seasons of professional baseball from 1990-2006, including stints in the Mariners (1990-94), Red Sox (1995) and Cubs (1997) organizations. The former infielder, who played in the California League with the San Bernardino Spirit (1990-91) and Riverside Pilots (1994), advanced as high as Triple-A. Nava also played professionally in the Mexican League and independent Texas-Louisiana and Atlantic Leagues before retiring at the end of the 2006 season. He had 1,303 hits, including 250 doubles and 110 home runs during his professional career across all levels. Nava was originally a 14th round selection of the Mariners in 1990 draft out of Miami-Dade College. Nava was born in Maracaibo, Venezuela.


Willie Romero
Hitting Coach

Willie Romero is in his first season as hitting coach for the San Jose Giants and first year overall as a coach in the San Francisco Giants organization. Romero spent 19 seasons as a player from 1993-2012 with stints in the Dodgers (1993-98), Diamondbacks (2001) and Orioles (2003) systems, in addition to 13 years in the Mexican League. Romero, who reached the Triple-A level, hit 172 home runs over the course of his minor league career. Romero played in the California League with the Bakersfield Dodgers during the 1993 and 1994 seasons. Prior to joining the Giants organization this year, Romero served as a manager and coach in the Mexican League.


Matt Yourkin
Pitching Coach

Matt Yourkin is in his first season as San Jose's pitching coach following a five-year stint in the same role with the Salem-Keizer Volcanoes (Short-Season). 2018 marks Yourkin's sixth year overall as a coach in the San Francisco Giants organization. A former pitcher, Yourkin played nine years of professional baseball in the Marlins (2004-08) and Giants (2009-12) organizations, advancing as high as Triple-A. Yourkin led the Pacific Coast League in strikeouts (145) during the 2011 season as a member of the Fresno Grizzlies. He owned a 35-41 record with a 4.54 ERA and 14 saves over 362 appearances (64 starts) during his minor league career. Yourkin originally signed with the Marlins as a non-drafted free agent and was then selected by the San Francisco Giants in the Rule 5 draft in 2008. Yourkin is a native of Napa and attended Napa High School and Saint Mary's College.


Juan Ciriaco
Fundamentals Coach

Juan Ciriaco is in his first season as San Jose's fundamentals coach and first year as a coach in the San Francisco Giants organization. Ciriaco had a 15-year playing career from 2003-2017 in the Padres (2003-07) and Giants (2008-17) organizations, advancing as high as Triple-A. The former infielder owned a career batting average of .251 with 57 home runs, 443 RBI's and 123 stolen bases over 1,150 games. Ciriaco spent parts of three seasons in San Jose in 2008, 2010 and 2011 playing in 86 total games for the Giants. He originally signed with the Padres as an international free agent out of the Dominican Republic and was then selected by the San Francisco Giants in the minor league phase of the Rule 5 draft in 2007. Ciriaco completed his playing career last season with the Triple-A Sacramento River Cats hitting .277 over 75 games.