Management Team

We Are Your

Knowledgeable Label Experts

The Shamrock team is here to assist you with everything from label design to selection of the exact paper and adhesive combination that will result in the precise label, custom engineered, to meet your unique needs.

Kevin Gerhard

Vice President & General Manager 10 Years of Service

Kevin has oversight for overall brand management for Shamrock Labels, including the sales organization and marketing/communications initiatives.  Kevin is deeply passionate about improving the customer experience through excellent products, quick and simple service and sharing best practices throughout the customer community.  Kevin earned his Master’s in Business Administration from Loyola University – Chicago and his Bachelor’s degree in Psychology/Management from Miami University (OH).    Outside of work, Kevin loves to read, play golf and spend time with his wife and two daughters.

Shirin Malik

Director of Corporate Contracts & Customer Care 17 years of service

Shirin has come a long way since beginning her career at Shamrock Labels as a Customer Service Representative in early 2000.  Her customer focused attitude has contributed to the development of an inside Customer Service team that is always willing to go the extra mile for the customer.  Shirin has also brought a fresh perspective into the way Shamrock works with customers, bringing them quality and value, on terms that allow customers to reduce costs and better manage inventory levels.  Shirin earned her Master’s in Business Administration from Purdue University and her Bachelor’s degree in Criminal Justice from Loyola University – Chicago.    At home, Shirin enjoys gardening, riding her motorcycle, and spending time with her fiancé, children, and two Yorkies.

Mark Siekierski

Director of Operations

With over 30 years’ experience within the printing industry, Mark brings a strong technical background and strategic team oriented approach for directing operations in Bellwood, IL and Orange, CA. Mark is focusing on process management, production efficiency, quality control, warehousing, logistics, facility safety, KPI’s and R&D. Mark is passionate about ensuring Shamrock is manufacturing customer orders correctly, on time and efficiently. Mark earned his Associates of Applied Science Degree in Graphic Arts from College of DuPage in Illinois.

Tony Lehman

National Sales Manager 10 Years of Service

Tony spent his first seven years with Shamrock as an Outside Sales Consultant, focusing on providing his customers with the best service while building long-lasting relationships.   His customers loved his quick responsiveness and his willingness to do whatever they asked.  In 2014, Tony earned an opportunity to become the National Sales Manager, sharing his experiences and best practices with the rest of the Shamrock Outside Sales team.  Tony’s strong work ethic is an example of how hard he and his entire team will continue to look for ways to improve on our existing service levels.  Tony is an alumnus of University of Illinois at Chicago.  He has a wife and one daughter.  He enjoys fishing and he loves to travel, particularly adventurous locations like South Africa, Italy, Poland, Egypt.

Casey Ostrowski, Jr.

Production Manager 12 years of service

As the Production Manager, Casey brings more than a decade’s worth of experience in the flexographic printing industry to Shamrock Label’s production area.  Casey is experienced in operating multiple flexographic printing presses to convert paper and synthetic materials, also including flat-back tapes. Casey is also experienced and capable of leading production operations; including typesetting plates, formulating standard to customized inks, customizing dies for particular orders.  Casey is an invaluable resource for recommending materials to meet any customer’s need and he places a high level of importance on quick turn-around times to drive high levels of customer satisfaction.

Ashlee Moore


Ashlee Moore joined Shamrock in 2019 after starting her career in pharmaceuticals and spending seven years in finance. In 2017 she transitioned to the manufacturing sector, where she most recently held the role of Manager of Financial Operations. 

Ashlee’s previous healthcare, manufacturing and leadership experience, and degree in Business – Accounting from Western Illinois University, enable her to deliver great things for Shamrock customers and team member.

When Ashlee is not at work, she can usually be found partaking in outdoor activities with friends and family, including everything from hiking to kayaking. Although she lives in the suburbs, that doesn’t stop her from adventuring into the city to relax at a Jazz Club or to try a new place to eat. Once in a while, she even manages to catch a cubs game.  


"The whole team at Shamrock is easy to work with, ordering is simple and the labels are exactly what we need."

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