Grace Kostroski, CEO Allium, is known for her extensive business background and keen ability to develop proactive solutions to the challenges facing her clients. Her experience encompasses finance, operations, sales and human resources. This allows Grace to evaluate situations from different aspects delivering unique perspectives. She has built a client-focused business with an emphasis on practical, leading edge services delivered by high-performing teams. Her strong analytic style and client focus are the foundation to helping clients achieve their business goals.

Grace’s career spans over 25 years of experience. She has worked as a Regional Director, Sales Director, CFO, Administrator, auditor in the IT consulting, financial services, telecommunications, and manufacturing industries. Grace held senior level positions at Information Technology Specialists, Compuware Corporation, Computer People Unlimited and Datanet, Inc/DGI-Net, Inc. Her clients have included Aurora Healthcare, Kohls, GE, US Bank, Johnson Controls, and Rockwell. She has broad experience placing technology resources in roles spanning software development, project management, QA, technical writing, and network engineering.

Grace has a BS from Marquette University with a major in Accounting and she is a CPA.  She is the Vice Chairperson and Board member of Landmark Credit Union.  Grace attended Marquette on both academic and tennis scholarships. When not at the office, you can find Grace on the slopes, playing tennis, or reading a good book.



Andy McIntyre, Vice President, sees trends and needs in the business environment ahead of the curve. This allows Allium to anticipate client’s needs and act proactively in delivering targeted services. Andy brings his enthusiasm for building strong relationships to clients and partners. He and his team are driven to build lasting partnerships and successfully advance clients’ business goals.

Andy has been rooted in the technology services industry throughout his career. Prior to joining Allium, he was Regional Director for Compuware.  Andy’s leadership in client management allowed him to lead a large regional organization where he successfully developed a high performing team that built strong client focused relationships. Andy has also achieved multi million dollar savings for clients with his experience in application optimization services and implementation of web-based solutions that dramatically improve efficiencies and reduce training. Andy has first hand knowledge of running a complicated sales team providing valuable insight to clients using Salesforce.com.

Andy graduated from Texas Tech University. When not at the office you can find Andy training for the ironman or coaching basketball.


Allium is recognized by Inc. 5000’s list of America’s fastest-growing companies. 

Allium is proud to be one of Milwaukee's Top Management Consulting Firms for 2018. Ranked by consultants in the seven county Milwaukee area.



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