Instructors

Tim grew up in Southern California and played one year as a pitcher at Glendale Community College. Played 3 years at Central Michigan University and was one of the starting pitchers for 2 years. Won 2 MAC championships and played in the NCAA Division playoffs. Earned an ERA ranked in the top 20 in the nation and won the Mid American All Academic Award my Junior year.

After baseball went on to be a Vice President/General Manager for Enterprise Holdings. Coached baseball at the youth level for over 15 years. Pitching coach for the 14U World Series Team that went to the finals in 2017. Today, Tim is the Pitching Coach (started in 2022) at West Linn High School which recently won their second 6A Oregon State Championship in as many years.

Today, proud father of 3 and current Co-owner of 503 Baseball.

Drafted in the 8th round by the Cleveland Indians. Hitting coach at Mount Hood Community College for 21 years. One fo the best hitting coaches in the Northwest. Trained 3 High School players of the year in 2010,13,16. If you have an ambitious player that has college aspirations or simply wants to compete at the highest level in High School then Coach Ellison is premier hitting coach to help them attain those goals. So whether you a high level player today trying to get to the next level or you have made a commitment to be the best we can help you get there.

Kari Baltz has 20 years coaching experience of youth girls ages five through high school. A left-handed pitcher from Southern Oregon, Kari received 2nd Team All-Conference her junior and senior years a well as Most Valuable player. She went on to play at Western Oregon where she graduated in 2000 with a Bachelors of Science degree in Health & PE, with a middle through high school teaching endorsement.

While teaching middle school and coaching softball at McKay High, West Salem High and Centennial High, Kari went on to receive a Masters in Administrative Leadership from Concordia University in 2005. She has coached multiple youth sports over the years, including volleyball and basketball.

In her spare time she enjoys cheering on her 3 children who all play sports, as well as being a photographer. She specializes in pitching and catching. She currently coaches the 13-14 year old 503 Club Softball team and is excited to help grow the softball program at the 503 Academy.

Tim Petke grew up in Portland OR, attending Portland Lutheran High School where he was a three-sport athlete, obtaining all-state in basketball, and the Gatorade Player of the Year for baseball in 1998.Earning a baseball scholarship to University of Southern California, Tim played two years with the Trojans and was part of the 2000 College Baseball World Series team. After USC, Tim went on to play with Lewis-Clark State Warriors in Idaho, where he helped the team win two NAIA national championships in 2002 and 2003.In June of 2003 Tim signed with the Anaheim Angels, playing until 2005. After his playing career Tim was the pitching coach from 2006-2008 at Lewis and Clark College in Portland. For more than a decade Tim has been providing professional pitching lessons to young athletes.