Coaching Staff



Mat Vasel

Head Coach

A King track alum (C/O 2011), Mat Vasel served 8 years as a King assistant coach working in the sprints-in particular the 400- and the relay teams and stepped into the Head Coach position in 2021 upon John Corona’s retirement. He served as Associate Head Coach from 2019 through the 2021 season. As event coach, Mat coached the school record 4 × 400 team and 3 of the top 5 400 marks in school history are held by athletes coached by him.

While at King, Vasel served as a team captain and was co-MVP in 2011. He currently sits 6th on the school’s all-time in the 400. From King, he went to Riverside Community College and competed for Tiger Head Coach Jim McCarron. While at RCC, he was part of two State Championship teams and was Orange Empire Champion in the 400; the 4 × 400 and the 4 x100. As a member of the 4 X 100, he garnered junior college All-American Honors. Upon completing his studies at RCC, he moved on to UC-Riverside, competing in the the sprints and relays for Coach Nate Brown’s Highlanders. At UCR, Vasel made the Dean’s List every quarter he was there and in 2016 was named Scholar-Athlete of the Year.

Vasel earned his teaching credential and his Master’s Degree from Cal-Baptist University in 2019 and teaches in the English Department at King High. He is also been a member of the King Football coaching staff since 2017.


Reynaldo Brown

Assistant Coach - High Jump

The King Track program is extremely fortunate in having Reynaldo Brown join it’ coaching staff in 2008. Long time track fans will recognize Rey as a member of the 1968 and 1972 Olympic teams. In 1968, at the age of 18, he finished fifth in the World in the high jump. He owns numerous records and titles from meets across the country and was the NCAA champion two years in a row.

He has been inducted into the Cal Poly San Luis Obispo Hall of Fame as well as the Mt.SAC Hall of Fame. He was the NCAA National Champion in the high jump in 1971 and again in 1973. He was the 1971 Indoor National Champion in the high jump.

From 1968 to 1976 he was ranked in the top 10 high jumpers nationally, and again ranked top 10 in 1979. In 1971, ‘73 and ’74 he was the number-two high jumper in the country behind the legendary Dwight Stones. In 1970 he was ranked number one in the country.

While in high school (Compton HS), he leaped 7’ 3" and is still ranked 5th All Time in California in the high jump!

This Compton High School grad has coached at Eisenhower High School, Redland East Valley, St. Bernard’s and Pomona High. Coach Brown is always in demand at clinics and camps throughout the country. He and his wife Carol live in Victor Valley.

Many of you may not know much Olympic history, but our coach in the vertical and horizontal jumps, Reynaldo Brown, has a storied Olympic and world class past in the sport. Coach Brown finished fifth in the high jump at the 1968 Mexico City Olympic games. Reynaldo Brown was 18 then!
He has been inducted into the Cal Poly San Luis Obispo Hall of Fame as well as the Mt.SAC Hall of Fame. He was the NCAA National Champion in the high jump in 1971 and again in 1973. He was the 1971 Indoor National Champion in the high jump.

From 1968 to 1976 he was ranked in the top 10 high jumpers nationally, and again ranked top 10 in 1979. In 1971, ‘73 and ’74 he was the number-two high jumper in the country behind the legendary Dwight Stones. In 1970 he was ranked number one in the country.

While in high school (Compton HS), he leaped 7’ 3" and is still ranked 5th All Time in California in the high jump!

We are honored and pleased to have coach and Olympian Reynaldo Brown taking our jumpers to new heights!


John Byrd

Associate Head Coach, Horizontal Jumps

John Byrd joined the King Track staff in 2018 as one of our horizontal jump coaches. Coach Byrd is a 2009 graduate of Arlington High where he lettered in both football and track. While competing for the football Lions, he was an All-League and All CIF defensive back. He also was a 4 Ivy League Track Champion in the Long and Triple Jump. He was a three time team Track MVP at AHS and served as a team captain. Coach Byrd went on to compete on the track team at Riverside Community College and was part of a state championship team while competing for the Tigers in the long and triple jump.

Also, an assistant coach on the Wolves football team, Coach Byrd has six years of track coaching behind him, having worked at Arlington and Tahquitz High School in Hemet. He has worked with youngsters in the horizontal jumps; the throws and sprints. He is currently an elementary school PE teacher in Fontana Unified School District. Married this past summer to his wife Kelsie, he is a 2013 graduate of Cal-State San Bernardino and earned his Graduate Degree from National University.


Jim Griesinger

Assistant Coach - Distances

Jim Griesinger is father to seven children and has been on-board the program since 2001. He has been a steady contributor to all the good that has come to King track and cross country. A runner for most of his adult years, he has taken up marathoning, and has run the San Diego, Las Vegas, Michigan, San Francisco and Boston Marathons. His younger kids have been a part of the program with Steve (02), Diane (03), James (05), and Mary (06) all competing at one time for the King Wolves.

In the Fall, Coach Griesinger is one of the cross country coaches, a tenure he has kept since the school opened in 1999.

Coach Griesinger happily retired from the work force in February of 2009, and enjoys doing local projects for friends and fishing with his grown sons.

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Jeff McKee

Assistant Coach - Vault

With a strong coaching and athletic background in the pole vault, Jeff McKee joins the King Track Coaching staff for the 2019 season. A local businessman, Coach McKee has coaching experience at Brea-Olinda and Santiago High Schools, not just in the pole vault but in the other horizontal and vertical jumps as well.

A 1992 Business graduate of Cal-Poly Pomona and a Bronco track team member, Jeff ended his career as one of the top pole vaulters in school history. As a high school senior at Downey High School, he finished 4th at the California State Championships in 1987 in the vault. Jeff has been married for 17 years to his wife, Jenny and they are the parents of four children.

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Edwin Jones

Assistant Coach - Sprints

Coach Edwin Jones has a long history in the Riverside area in track and field. He has been coaching at the high school level for a total of 30 years and has coached the sprinters at King to great heights and accomplishments since 2001. Prior to coming to King, he coached at Ramona High School for 18 years serving as an assistant and as head coach. He was an integral part of the coaching staff that guided the Rams to a CIF runner-up trophy in 1995. Coach Jones was a standout sprinter himself at Ramona High in the early 80’s and was a CIF qualifier. Coach Jones is one of the intramural and /recreation directors at Loma Linda University. He is married to Louise and has two daughters.


Tayler Fleming

Assistant Coach - Hurdles

Arguably, one of the best athletes to ever come out of the King track program, Tayler Fleming will be taking some time out of her busy final track season at the University of California -Riverside to lend assistance to King athletes in the hurdles and most likely in a number of other events as well.

A graduate of King High in 2013, Tayler has truly made a name for herself at UCR. In 2017, she was a NATIONAL qualifier in the NCAA Division -1 Long Jump and made All-American Honorable Mention. In 2016, she made the NCAA Western Regionals in the Long Jump and the Heptathlon. She has numerous Big West titles and UCR records to her credit. She set the UCR record in the Heptathlon in her very first attempt at the multi-event contest.

While at King, she was a four year letter winner in track and lettered twice in soccer. Tayler was a 3 time track team MVP and owns the school record in the 100 hurdles; the 300 hurdles and the 4 × 400 relay. She was a four-time CIF qualifier and made the state meet twice. In 2013, she finished 6th at the State Meet in the 300 hurdles, the highest ever finish for a female King athlete.

A major in Liberal Studies with a psychology minor, Tayler graduated from UCR in 2019.

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Eric Sousely

Assistant Coach - Throws

Throws coach Eric Sousley is the newest addition to the King Track staff in 2020. Coach Sousley, who joins Coach Cleary in coaching the shot put and discus, has been coaching at Rubidoux High for the past five years. He brings a great amount of knowledge and enthusiasm to the job.

Coach Sousley is a graduate of Corona High School where he competed in football and track. He was a four year letter winner for the Panthers in Track. He is a graduate of Cal-Baptist University with a BS in English and he has his Masters Degree in Education from that institution as well. He has been teaching English in Jurupa Unified School District for five years, the last 3 at Patriot High School.


Megan Melton

Assistant Coach - Vault

2012 King graduate Megan Melton returns to her Alma Mater to work with the Wolf pole vaulters. A three year letter winner, Megan sits second all-time on the King all time pole vault list. She was a team captain and was the team’s Most Outstanding Field Event competitor her senior year when she just missed qualifying for the state championships.

Coach Melton went on to Gardner-Webb University in North Carolina where she competed for four years. In 2016, she finished second in the Big South Indoor Championships and finished her career with a PR of 12-7.

Megan began her coaching with the Wolves in 2019 and brings great enthusiasm and knowledge to her job. She is currently working in Val Verde Unified School District as a teacher’s assistant in Special Education and is working on her teaching credential.

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Dalton Seckinger

Assistant Coach, Distances

Dalton is another track coach who hails from King High; he’s a graduate of the class of 2015. Dalton was a passionate distance runner and team member during his four years of running track and cross country for the Wolves, and started his coaching career with King in the Fall of 2021 with Cross Country and Spring of ‘22 in track and field where he will help oversee the distance events.

He burst on the scene his freshman year of high school. He lettered in cross country, but in track that year he came within seconds of breaking the long-held (it had stood since 2000) freshman 3200 meter school record. He’d go on to notch PR’s under the King singlet of 2:00/4:28, marks that still sit in the top 15 All Time in King’s history. Dalton’s talent and passion for the sport was on display right from the start and fashioned for himself an excellent high school career.

Working full time for Lasertech in Riverside hasn’t kept him from pursuing competitive running since graduating from King. Since his high school days, Dalton has been a member of the highly respected Calcoast Track Club based out of Orange County. Racing both the track and the roads, he’s improved on his quality high school marks by running PR’s of 1:56 800, 4:08 1600, and 26:59 8k.

Married to his high school sweetheart, Brianna Jacklin (also class of ’15), the two welcomed their first child into the world in the Fall of 2021.

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Coach Jason McMains

Assistant Coach - Weight Training

Born in 1978, Coach Jason McMains’ Riverside roots run deep. He is a graduate of Rubidoux High School and then Cal Baptist University where he earned his degree in 2000 before going on to earn his Masters and Credential in Special Education from National University.

McMains is the coach responsible for weight training and physical development. He is also the head football coach and teaches Special Education at Martin Luther King High School.

After playing baseball and football (Outside linebacker and Running Back) at Rubidoux and then football-only at Riverside Community College, he would eventually return to his alma-mater to be the head coach of the Falcons. He served in that capacity from 2009-2014, then moved to Riverside Christian for two years and from 2019 to 2021 he led the Citrus Hill Hawks.

At those various places, he has led his teams to 3 league titles and was selected three times as the League Coach of the Year. In 2017 and again in 2020, he was the head coach of a two All Star games.

McMains is married to Claudia who teaches Math in Jurupa Unified School District and is the father to three kids, Aaron, 23, Victoria, 19 and 11 year old Brody Darnell. His hobbies include camping, hiking, kayaking and being a “Softball Dad.”


Amber Sanford

Assistant Coach - Sprints

Coach Sanford is a King High School graduate, (class of 2010), and went on to compete in Track and Field at RCC and then UNLV. While at King she was a four year varsity athlete, a two-time team MVP and a two-time Co-MVP

Amber participated in 100, 200, 4X1 and 4X4 relays, open 400, Distance Medley, as well as Long and Triple jump. While in high school was able to participate in Mt Sac. Relays were she placed 1st for long jump in the high school section, as well as Three year Arcadia invite where she participated in the Distance medley and long and triple jump. Some of her best memories were finding out that King beat their toughest competition which at the time was North High during her Sophomore year and then going undefeated on the girls side 3 years in a row following that.

I loved being a part of the track team in general but I also loved all of the Big meets like the IE championship meet" she said, and added “I would definitely say the Three C’s have stayed with me through my life and Coach Corona was a big part of that. I met my best friend on the track team and were still friends till this day.”

She continued her career at RCC where she continued her “MVP streak” for the Tigers and would win a state title in the long jump. There she also got to work along side John bird (King jumps coach) and Chris Bernard who went on to make the Olympic team for USA.

While at UNLV Sanford participated in long and triple jump as well as sprints. Being at UNLV was one of the greatest experiences and most challenging of her life, but says she wouldn’t change that for anything.

Amber is now a mom of an almost 4 year old boy who who takes up most of her time with his sports and extracurricular activities. She works as a teachers assistant and at a boys home for at risk youth. She first started coaching back
in 2016 at Beaumont High school where she coached for two years before taking the job at King in 2022.