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John Heinz has a work experience that includes various roles in different companies. John started their career as a Guest Services Manager at Antlers Adams Mark Hotel in September 2001, where they worked until May 2003. John then joined the Colorado Rockies as a Sales Representative from February 2004 to October 2005. Afterwards, they became the Vice President of Strategic Accounts at EnergyCAP, LLC in November 2005, a role they still hold.

John Heinz has a strong education history that includes multiple degrees and certifications. John obtained a Bachelor of Arts degree in History from Calvin University, where they studied from 1997 to 2001. Following that, they pursued further education at the University of Denver - Daniels College of Business, where they completed two concurrent programs. From 2003 to 2005, they earned a Master of Science in Management with a specialization in Sports Management. Additionally, during the same period, they obtained a Master of Business Administration degree with a focus on Communications.

In addition to their degrees, John has also obtained two certifications. In October 2020, they completed the "Mastery of EnergyCAP" certification from EnergyCAP, LLC. Furthermore, in May 2022, they achieved the "APPA Supervisor Toolkit Badge" certification from Professional Development.

Based on the provided information, John's education background showcases a diverse range of studies in subjects such as History, Sports Management, and Communications.