Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Timeline
Generic

Christopher Barst

Midland

Summary

Results-driven shift leader with 17 years of experience in laboratory operations. Expertise in team management and process optimization, consistently enhancing operational efficiency and team performance.

Overview

22
22
years of professional experience
1
1
Certification

Work History

Float zone technician / shift leader

Hemlock Semiconductor
Hemlock
05.2008 - 11.2025
  • Shift leader duties included:
  • Managing a team of 6 lab technicians.
  • Ensure my team has all resources necessary each day to perform sample testing.
  • Scheduled quarterly performance reviews with each member.
  • Managed timecards and vacation requests.
  • Performed daily building rounds to ensure all equipment is functioning correctly.
  • Float zone technician duties included:
  • Process core samples from online reactors by superheating them with RF conduction heating within float zone crystal pullers. These pullers change the crystal structure from a poly crystal to mono crystal for electrical and metal composition testing.
  • Performed R&D for plant engineers and SME's to research and improve reactor performance.
  • Operate etch equipment to remove contaminants from each core sample using nitric and hf acids.
  • Audit equipment weekly to ensure it is performing within standard range.
  • Control process utilizing Opto22 control software
  • Research and order necessary parts to complete repairs on equipment.

Crew leader / production associate

Dow Corning
Auburn
04.2004 - 05.2008
  • Responsible for processing batch runs, utilizing various mixing methods, following run sheets.
  • Operated high-shear mixers, including 50-, 150-, and 300-gallon Baker Perkins. Medium sheer mixers, such as 750L Torrello change-can mixers. Also, low-shear mixers, such as drum tumblers and totes.
  • Set daily schedule based on plant needs and orders.
  • Controlled MROS inventory.
  • Performed SAP transactions including good issue, good receipt, and finalizing product transfer to the warehouse.
  • Performed IP testing on products in the QA lab tensile/tear strength, durometer, gel time, and viscosity.
  • Performed some small packaging
  • Coordinated with other crew members to complete assigned tasks quickly and effectively.
  • Member of site emergency response team.
  • Performed crew evaluations and job assignments.

Education

Some College (No Degree) -

Delta College
Bay City, MI

Skills

  • Process control
  • Equipment maintenance
  • Sample processing
  • Laboratory auditing
  • RF heating operation
  • Inventory management

Certification

Chemical process technology

Accomplishments

Dale Carnegie leadership course completion

Timeline

Float zone technician / shift leader

Hemlock Semiconductor
05.2008 - 11.2025

Crew leader / production associate

Dow Corning
04.2004 - 05.2008

Some College (No Degree) -

Delta College