I participate in a variety of outdoor recreational activities Last spring after retiring from 30 years in the Fire Service, I set out on a 700 mile hike along the Appalachian Trail I have completed several running distances from 5k's to Marathons Recently, I have completed a few Hybrid events (Spartan DEKA and Hyrox)
David Heinke
YORKVILLE
Summary
Enthusiastic CrossFit Trainer with a strong focus on client engagement and corrective exercise. Proven ability to lead group classes effectively while prioritizing safety and proper technique, contributing to an inviting and motivating workout atmosphere.
Overview
13
13
years of professional experience
1
1
Certification
Work History
CrossFit Trainer
Fox River Strength and Conditioning
North Aurora, IL
06.2025 - Current
- Conducted individual and group training sessions to enhance fitness levels.
- Instructed clients on proper exercise techniques and safety protocols.
- Maintained cleanliness and organization of training equipment and facility.
- Developed strong relationships with clients, leading to an increase in referrals and long-term membership commitments.
- Provided constructive feedback on form and technique during training sessions, enabling clients to maximize performance gains over time.
Studio Red Trainer
VASA Fitness
Oswego, IL
01.2026 - 03.2026
- Demonstrated proper exercise techniques to ensure client safety and effectiveness in workouts.
- Led group classes, promoting engagement and fostering a supportive workout environment.
- Maintained cleanliness and organization of training equipment and facility space.
- Advised clients on proper equipment use and maintenance, contributing to a safe workout environment and prolonging the lifespan of gym assets.
Fire Academy Fitness Instructoer
City of Aurora IL
Aurora, IL
01.2018 - 02.2025
- Provided individual coaching, enhancing client performance and engagement in fitness goals.
- Monitored industry trends to continuously improve programming and maintain high standards of service.
- Helped Recruits reach fitness objectives by providing encouragement and motivation.
- Designed innovative fitness plans to keep Recruits engaged.
- Developed goal-oriented training programs that led Recruitss to achieve significant improvements in strength, endurance, flexibility, and overall functional ability.
CrossFit Trainer
Leverage Athletics
West Chicago, IL
03.2013 - 10.2024
- Monitored client progress and provided feedback to ensure accountability.
- Participated in ongoing education to stay current with fitness trends and methodologies.
- Promoted the benefits of CrossFit through community events, attracting new members to the gym.
- Assisted novice athletes in learning fundamental movements while prioritizing safety and injury prevention techniques.
- Enhanced overall gym atmosphere with a positive attitude, fostering a supportive environment for all members.
- Led group classes with clear instruction, ensuring proper form and technique for safe and effective workouts.
Education
Associate of Science - Accounting
Elgin Community College
Elgin, IL05-1994
Skills
- Corrective exercise implementation
- Olympic lifting proficiency
- Strength training
- Group class management
Certification
- Certified Crossfit Level 2 Trainer
- Certified Crossfit Kids Trainer
- Currently studying for Personal Training Certification
Interests
Timeline
Studio Red Trainer
VASA Fitness
01.2026 - 03.2026
CrossFit Trainer
Fox River Strength and Conditioning
06.2025 - Current
Fire Academy Fitness Instructoer
City of Aurora IL
01.2018 - 02.2025
CrossFit Trainer
Leverage Athletics
03.2013 - 10.2024
Associate of Science - Accounting
Elgin Community College