Sean McKinley


Sean created MAC 360 in 2007. Prior to his arrival, he spent 7 years as an academy coach at Newk’s Junior Tennis Academy in New Braunfels. He has developed and coached over twenty players ranked in the top 100 nationally in their age division. Since arriving in Austin, Sean has sent over 25 junior players to the collegiate level through the MAC 360 Tennis program. Sean was named the 2009 CATA Pro of the Year.


Jake Baronowski

Marketing Director and Coach

Since 2008, Jake has been an Adult and Summer Camp Director at The John Newcombe Tennis Ranch. He also served as the Director of Tennis at Tyler Athletic and Swim Club. He has been named Coach for the Texas Zonals Teams multiple times starting in 2011. He is excited to have found a home at Mac 360 Tennis!

Lester Callaway

Lester Callaway


Coach Lester brings with him to MAC 360 nearly 20 years of Professional Teaching experience. He played college tennis at West Virginia Wesleyan College earning a conference title in singles. Lester has an extensive teaching background having worked with kids and adults of all ages and abilities.


Brent Krivokapich


Brent spent five years as an assistant tennis coach for the Tyler Junior College Apaches.

He brings extensive knowledge on exercise, movement and performance from his work experience at Accelerate Performance Enhancement Center (APEC) training center Brent also spent time working at John Newcombe Tennis Ranch and has a  Professional Tennis Management and Associates in Business.



Jill Lewis


Jill is a former MAC 360 super champ player who played division 1 tennis at UNC Asheville for 2 years. She finished out her college career playing for the nationally ranked club team at the University of Arizona. While finishing her studies, Jill started coaching junior tennis players 5 years ago. We are happy to have Jill back in the MAC 360 family.


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