Meet our Staff


Brooke and Karen Butler - Local Team Leaders

Brooke and Karen have been on staff with AIA/Cru for over 34 years.  Brooke studied Zoology at Miami University (Ohio), and was first assigned to work with AIA at Stanford University. Karen is from the East Bay and graduated from ASU with a degree in Education, and was then was on staff with Cru at the University of Washington. After their first year on staff, they were married and served together at Stanford for 8 years before moving overseas to Zagreb, Croatia to serve as Country Directors for Cru in Croatia and Bosnia for over 20 years. After mentoring staff in both countries and leaving the ministry in the able hands of Croatian national leadership, they returned to lead Athletes in Action at Cal in 2014. Along the way, Karen completed a MA in English Education from USC and Brooke gained a MA in Science and Religion (Philosophy of Science) from Biola University. 

Karen loves to hike, read murder mysteries, have great conversations over coffee and is on a quest to find a male calico cat! Brooke enjoys road-biking, supporting every Cal he can in attending their games and matches and discussing various issues related to faith and science! They are both passionate about seeing this generation of students grow into the world-changers God has created them to be and love working at Cal with such incredible, quality young leaders!


Jonathan Newman - Senior staff

Jonathan graduated from Cal Poly SLO, where God used experiences and involvement with Cru to show him how we are all invited to participate in building God’s kingdom, as well as giving him a heart for college students. After graduating, Jonathan interned with Cru reaching college students in East Asia and at Cal Poly SLO before joining staff with Cru at UC Berkeley in 2014 and then joining the AIA team in 2018. In the past few years God has gripped his heart for racial justice and oneness in the body of Christ, and he is also a research and development associate with Cru in Multiethnic Ministry Innovation. Jonathan is a fan of reading, Parks and Rec, game nights, dancing, CrossFit, coffee, culture, outdoor jaunts and quality time with friends and family.


Caihla Petiprin - Part-Time Intern

Caihla graduated last May from UC Berkeley with a degree in Public Health. While at Cal, she played on the indoor volleyball team. She loved being a bear and is so grateful God called her to another year at Cal to do ministry and community outreach in order to experience the campus in a whole new light! In her free time, you'll be able to find her hiking in Tilden park, watching sunsets from Grizzly Peak, soaking up moments with her loved ones, and overindulging in coffee!


Jack Conlin - Full-Time Intern

Jack graduated from the UC Berkeley, where he competed on the rowing team and got plugged into Athletes in Action his freshman year. As a student leader with AIA, Jack got a taste for the staff’s incredible vision for a discipleship movement in the athletic department. He experienced firsthand the real hunger that Cal athletes have for a personal relationship with Jesus, and Jack felt called to serve the student athletes at Cal. He enjoys reading, running, surfing, snowboarding, and spending time with family and friends. 


Jessica Robinson - Volunteer Staff

Jessica graduated from The University of Texas at Austin with degrees in Journalism and Corporate Communication. She was on the rowing team at UT, and graduated in 2018. Jessica felt a strong passion for education prior to graduating college, and called an audible as she is currently working as a public school teacher in Richmond, CA as a part of Teach for America! She is also pursuing a master’s in Urban Education Administration and Policy. Jessica loves volunteering at AIA Berkeley because she was a part of AIA at UT and the athlete Christian community strongly influenced her college career. 

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Matt Josa - Part-Time Intern

Originally from Fort Mill, SC Matthew Austin Josa is a Professional Swimmer at Cal and Cal Men’s Swim Alum. He is 2016 World Championships Gold Medalist and Current American Record Holder. Matt looks forward to graduating UC Berkeley in May 2019 with a Bachelors in Business Admin. An Affiliate Staff member and worship leader at AIA Berkeley. Matt felt led by God to inspire, encourage, and better prepare student athletes at Berkeley to lead and share the love of Jesus Christ on campus. He has 2 older sisters, one who models in LA and another who runs a brewery in NC. Matt enjoys playing guitar, singing, speaking German, and riding motorcycles. And his ultimate goal in life is to a have and cat and a dog that cuddle together.


Jessica Simmons - Volunteer Staff

Jessica grew up in the Bay Area and graduated from the Art Institute with a degree in Set and Exhibit Design. She lived in Los Angeles while working as a Display Artist for Anthropologie and served with Reality LA’s youth ministry. Jess began volunteering with AIA at the start of this school year. While she misses the Jr. High and High School students down in Southern California, she loves coming alongside the college athletes at CAL as they experience Christ and deepen their relationship with Him! You can find her running, learning to speak Italian, soaking up time with family and friends, cheering on her SF Giants, backpacking throughout California’s beautiful state and national parks, reading anything about WW2, enjoying a good cup of coffee, and dreaming of Italy.