“Oleg not only has credentials, but is one of the savviest business people I have ever met. He has the ability to look at a business and see where there are inefficiencies and other processes that either need to be adjusted, discontinued or implemented almost instantly. His ability to see complex business models clearly and quickly translates into an ability to evaluate financing as well as other actions business need to take to expand, acquire or cut their losses. By listening to his recommendations, it is clear that he has many years of valuable experience in his areas of expertise. Engage him you will not be disappointed.” J.P. Fernandes, Esq., Fernandes Law Firm
“Along with expertise, Oleg brings a level of enthusiasm and energy to creatively deliver technical training on complex subject matter.” Ken Klapproth, Vice President of Product Marketing, Invention Machine
“As a former CEO, contracting Oleg’s services, I did not always follow his advice because I didn’t have the courage to change what needed to be changed. But in retrospective I wish I did. In the end, Oleg was right in nearly every directive. He advised me about the corporation’s weaknesses at Board level; advised me in future financial risks if there was no action taken immediately; and worked with staff to engage the team in an effort to encourage personal as well as corporate growth, curtail expenses, and in turn increase our bottom line. Oleg is extremely learned and able to offer a global picture” Mildred Horvath, Retired CEO, Social Rehabilitation and Residential Resources, Inc.
“In my experience working with Oleg, a creative problem solver, with excellent approaches to communicating and helping others develop innovation skills. A professional and very good to work with as a teammate.” Vasanth Krishnaswami, Innovation Consultant, Invention Machine
“Oleg is a quick-study, adept at making good ideas better and translating them into workflow processes. At the Bucket Brigade, his strong analytical and strategic thinking abilities brought a much-needed focus to process improvement, ROI, and making sure we met deadlines and commitments to clients. He dotted the i’s and crossed the t’s of proposals and was the go-to person for day-to-day operations. He was also an early adopter of workplace collaboration tools and processes and very social media savvy.” Meg Ciccantelli, Client Services and Training, Chief Listening Officer and Collaborator, The Bucket Brigade
“Oleg brings a unique blend of classroom credibility and workplace experience that is refreshing and challenging to his clients. He does not stand still. He’s an individual I would want working with my leadership team.” Bill Hendricks, President, Hendricks Training
“Oleg is a highly respected instructor that wants his student to succeed. I enjoyed his teaching style because it is real life experience and not just from the text-book. He has a very strong work ethic and will go the extra mile to assist you. I know he will be successful.” Mike Reitz, Director Of Logistics, Patrick Cudahy Inc.
“Your loss will be felt for a long time. Further, when you are cleared to work with us again, please let me know”, Dr. Borst, Dean of Legal and Business Studies, CUW
“I have known Oleg Tumarkin for three years. As his student, I have experienced his work in the classroom. His personal experience speaks volumes through out his lectures. Mr. Tumarkin’s ability to incorporate his experiences in the fields of business: International Business, Marketing, and Financial Accounting.” Jarrid Calmese, Student, Concordia University Wisconsin
“Oleg is very personable, detail oriented, and very intelligent. He’s very knowledgeable of the material he teaches. Oleg is a great professor for Concordia University-WI with great insights on trouble shooting, practical solutions for complicated problems. Oleg is a pioneer in his field of expertise.” Robert L Moore, Convention Services Manager, VISIT Milwaukee
“Oleg is a very knowledgeable instructor. He brings the world of business into the classroom and gets students involved and excited. He is very cooperative and believes in professional development. He is a very timely instructor and is able to manage the classroom effectively. I recommend him to any other Colleges & Universities.” Nick Dillon, MAED, Associate Dean, ITT Technical Institute
“Oleg is an excellent instructor and teacher who has a passion for ensuring his students and those he is leading understand the topics he is discussing. His viewpoints are well thought out and demonstrate a thorough understanding of the global business environment we live in. His class was one of my favorites from the MBA program as I gained much practical knowledge from it and was given ample opportunity to share and develop my own skills.” Jamie Schramm, Student, Lakeland College
“I have to say that this past semester, and this class has been one of the most rewarding experiences I have had at Lakeland.” Kathy Hermanson, Student
“I thoroughly enjoyed your class. Your provided enlightening and informative discussions that got me to think about things from a different perspective.” Theresa M. Pfeifer, Student
“Oleg is a very detailed oriented person, very methodical, well organized and always careful about the projects he engages in. Oleg is highly trustworthy and certainly someone I would recommend to manage a project.” Jeffrey Robb, Owner, Premier International Capital Advisors, LLC
“Oleg was a great teacher at ITT-TECH and he taught me a lot about Project Management and what was required to be a Project Manager in the field.” Chris Weigmann, Student, ITT-Technical Institute
“Oleg is always prepared, detail orientated, has the drive to see his students succeed, and is one of the starting points for a great college experience. Quick to help, Oleg provides a more personal approach for students who need a better understanding of course material which is why he is so respected throughout our school. His knowledge in Project Management is profound and comes with ease while teaching this class,shaping his students to become better Project Managers. I recommend Oleg to any college, university, or business.” Joshua Wolfe, Student, ITT-Technical Institute
“… helped me realize that I could start a small business and be successful.” – Amanda, Starting a part time accounting practice.
“Invaluable. It motivated me even more to begin my part-time business.” – Jenevia, Special needs daycare & respite service
“Excellent Instructor – personal experience very helpful.” – Jim, Specialty Home Interior Painting.