Club Coaches & Staff

At Highline Premier FC, our staff supports players, coaches, and families by creating clear structure, consistent communication, and a positive learning environment.



From coaching leadership to program operations, each role exists to support player development, uphold club values, and ensure families have a clear, reliable experience throughout the season.

HPFC Leadership Team


The leadership team at Highline Premier FC provides strategic direction, operational support, and coaching oversight across the club. Together, they ensure alignment between development philosophy, club values, and the day-to-day experience for players and families.

James Conroy, Executive Director

James Conroy leads Highline Premier FC with a focus on building a development-driven, community-rooted club. As Executive Director, he oversees strategy, operations, budgeting, staff support, coach education, and player and family engagement.


James holds a BA from the University of San Francisco, a USSF National B License, advanced diplomas from United Soccer Coaches, and additional certifications through La Liga and the Spanish Soccer Federation. His work blends academic training, global perspective, and practical experience across all levels of the youth game.


He views every staff member as a steward of the club’s mission and works to ensure a consistent, inclusive, and high-quality experience grounded in HPFC’s core values of effort, accountability, discipline, respect, and creativity.

James Riley, Director of Coaching & Technical Director

James Riley serves as Director of Coaching & Technical Director, leading Highline’s club-wide soccer program through coach development, technical standards, player pathways, and program quality. His work centers on building strong coaches and a consistent player-development experience.


James brings more than two decades of experience in professional soccer and club leadership. He played 11 seasons in Major League Soccer, including three with Seattle Sounders FC, before leadership roles with Major League Soccer, Rush Soccer, Eastside FC, and Ballard FC.


James holds the U.S. Soccer National B License and Director of Coaching credentials and is pursuing his National A-Youth License. At Highline, he works with the Boys and Girls Directors of Coaching to strengthen curriculum, coaching standards, and long-term player development.

Marissa Villegas, Girls Director of Coaching

Marissa Villegas is dedicated to expanding opportunity and access for girls in soccer. A Greater Seattle native, she combines on-field coaching experience with leadership across club and semi-professional environments.


Marissa holds a US Soccer C License. She is a co-founder of USL W League side West Seattle Rhodies FC and served as the club’s Chief Marketing Officer during its inaugural season.


At Highline, Marissa focuses on strengthening the girls program by supporting coaches, building relationships with families, and fostering a culture rooted in accountability, joy, and love for the game.

Kelvin Mizen, Boys Director of Coaching

Kelvin Mizen serves as Boys Director of Coaching, supporting player and coach development through clear standards, consistent training environments, and a shared approach to the game.


He holds both a US Soccer B License and a UEFA B License, along with a Bachelor’s degree in Football Coaching, Development and Administration from the University of South Wales. His experience includes Washington Youth Soccer EPD, and Valor Soccer, where he coached within Girls Academy and MLS NEXT programs. He also serves as a futures coach and academy scout with Seattle Sounders FC.


At Highline, Kelvin focuses on coach development, player evaluation and movement, and reinforcing a consistent approach to training and competition. His work supports an environment where players are challenged, supported, and able to continue their development within their local community.

Jake Zwaller, Programs Manager

Jake Zwaller oversees the planning, coordination, and execution of Highline Premier FC’s programs, helping ensure consistency across camps, clinics, seasonal offerings, and club initiatives. His role focuses on translating the club’s development philosophy into well-organized, accessible experiences for players and families.


Holding a US Soccer B License and multiple diplomas from United Soccer Coaches, Jake brings a strong understanding of player development and age-appropriate programming. He works closely with coaching leadership and operations staff to support program quality, communication, and year-round engagement.

Mick O'Byrne, Operations Manager

Mick O’Byrne supports Highline Premier FC’s day-to-day operations, bringing more than 20 years of coaching experience and a deep connection to the local soccer community. His work helps ensure programs run smoothly, fields and logistics are coordinated effectively, and coaches and families are supported throughout the season.


Holding a US Soccer D License and multiple United Soccer Coaches certifications, Mick combines practical coaching knowledge with an operations-first mindset. As a club parent and longtime community member, he plays a key role in maintaining consistency, reliability, and a strong connection between the club and its families.

2026–2027 Season Coaches


Staff coaches support teams across age groups and programs, contributing to training sessions, player support, and program delivery. Their work helps maintain continuity across the club and ensures players receive consistent instruction and care.

2026/27 Team Assignments


The tables below show coaching assignments for the current season, organized by program. Team assignments reflect the 2026/27 season and are subject to change.

Highline Eagles (Girls Teams)

Team Name Coach League Age Band
G2010/11 Blue Marissa Villegas N1 U16
G2010/12 Red Mick O'Byrne WPL U16
G2012/13 Blue Callum North N1 U14
G2012/13 Red Ahmed Al-Maskari WPL U14
G2013/14 Blue Andy Fordyce RCL U13
G2014/15 Blue Callum North RCL U12
G2014/15 Red Caitlin Smith WPL U12
G2015/16 Blue Marissa Villegas RCL U11
G2015/16 Red Alex Askerov WPL U11
G2016/17 Blue Mick O'Byrne RCL U10
G2016/17 Red Alex Liu WPL U10
G2017/18 Blue Caitlin Smith WPL U9

Highline Heat (Boys Teams)

Team Name Coach League Age Band
B2008/10 Mike Ramos EA U19
B2009/10 Mike Ramos EA U17
B2010/11 Kelvin Mizen EA U16
B2011/12 Julian Rangel EA U15
B2012/13 Jake Zwaller EA U14
B2012/13 Blue Billy Farrell RCL U14
B2013/14 Jake Zwaller EA U13
B2013/14 Blue Armando Castillo RCL U13
B2014/15 Jake Zwaller Pre-EA / RCL U13
B2014/15 Blue Josh Brincko RCL U12
B2014/15 Red Mike Oldcorn RCL U12
B2014/15 White Luis Lara Silva WPL U12
B2015/16 Kelvin Mizen Pre-EA / RCL U11
B2015/16 Blue Julian Rangel RCL U11
B2015/16 Red Callum North RCL U11
B2015/16 White Ryan Nadeau RCL U11
B2015/16 Purple Ahmed Al-Maskari WPL U11
B2016/17 Blue Billy Farrell RCL U10
B2016/17 Red Andrew Fordyce RCL U10
B2016/17 White Mike Oldcorn WPL U10
B2017/18 Blue Billy Farrell RCL U9
B2017/18 Red Andy Fordyce WPL U9
B2017/18 White Hunter Milbrot WPL U9
B2018/19 Blue Ahmed Al-Maskari WPL U8
B2018/19 Red Hunter Milbrot WPL U8

Interested In Joining Our Team?


We're always looking for coaches who are committed to player development, aligned with our values, and want to be part of a club that takes the work seriously.


If you hold a current license and are interested in joining our coaching staff, we'd love to hear from you. Reach out directly to our Director of Coaching to start the conversation.

Learn More About Highline Teams



With leadership, values, and standards in place, Highline teams are structured to support player development, connection, and long-term growth across all age groups.