The difference maker: Mahmut Parlar honoured for 30 years of exceptional research, teaching, and service

Sonia Verma, Manager, Strategic Communications | Hamilton | June 4, 2018

Mahmut Parlar uses a beach ball to teach statistics. He makes his graduate students do book reports as a writing exercise. He loves his work and wants his students to feel the same. “They’re paying me to do what I love. I’m a lucky person,” he says. He’s being awarded the Canadian Operational Research Society’s Award of Merit in recognition of more than 30 years of stellar work.


I hear — I forget

I see — I remember

I do — I understand

The note on the whiteboard in Mahmut Parlar’s office makes it clear: He believes in learning through doing. And he makes it fun.

Parlar, Distinguished Business Research Professor at DeGroote, starts a graduate-level statistics class by tossing a planet Earth beach ball to a student. “Close your eyes, forget everything you learned in middle school, and put your finger on the globe,” he tells them. “Did you land on water or land?” Parlar writes down the response and gets the student to flip the ball to someone else, until everyone has had a chance.

The beach ball exercise is a great icebreaker in a room full of senior executives and MBA candidates, and Parlar uses it to illustrate a statistical principle. Invariably, about 70 per cent of the students land on water, “which bears out what we learned as kids about Earth’s surface area,” he says. “But any variance also bears out what we learn about the margin of error.”

Just as importantly, when they put their hands out to catch the ball, Parlar’s students let go of their preconceived notions about studying statistics.

“You always hear people say stats is boring, it’s dull,” he says, ruefully. “People take a stats course because it’s a requirement, not because they find it interesting or valuable.”

But statistics and data drive research, he notes. “It helps us understand how everything works. I make sure we do all the rigorous work and get it right, but why not make it fun, too?”

“Why not make it fun?” could be Parlar’s unofficial motto. As Distinguished Business Research Professor, Operations Management — “That means using mathematical models to solve business problems” — he genuinely enjoys his work, and wants his students to feel the same.

“If you don’t like what you’re doing, the rest of your career will be … well, it’ll be hell,” he says. “I truly believe you should do what you love and love what you do.”

Parlar, who splits his year between teaching and operational research work, is being awarded the Canadian Operational Research Society’s Award of Merit in recognition of decades of stellar work in research, teaching, and service.

Parlar received his PhD in Waterloo in 1979 and after two job changes, came to McMaster in 1986. He has received more than 6,000 citations to his work. His landmark 1988 study on using game theory on inventory supply has been cited more than 400 times, making him one of the most-cited business academics in the country. That work continues to be the foundation of an enormous amount of research.

“It can be difficult to marry different disciplines into a new idea, but I wanted to try using game theory ideas for inventory management,” Parlar smiles as he talks about the groundbreaking paper. “And in academia, a citation is like getting a present. It’s been 30 years, but every time I see someone is still citing my work, I feel like I’m getting a gift.”

Parlar makes a point of coaching his students on the importance of writing good papers.

“Forget academic jargon and technical terms,” he advises them. “Make the title interesting. Write it well. Keep it simple. And please pay attention to grammar and punctuation.”

A big fan of British writer W. Somerset Maugham, Parlar makes his students summarize the author’s short stories in their own words. “I make them do it again and again, until they get good at it,” he says. “I like to think it will help some of them get published.”

Parlar smiles a lot when he’s talking about his students. “They’re all adults, but to me they’re like my kids,” he says. “When they need help, I try to give it to them.”

His office whiteboard has a smattering of foreign slang phrases on it, so that Parlar can practice casual conversation in international students’ mother tongues. “It helps to help set them at ease,” he explains.

And, of course, he works hard keeps them engaged. Enter the beach ball, which is just one item in a whole box of props.

“I spent a long time figuring out how to make learning interesting,” Parlar says. He points to another adage on his office wall, one he’s already used: Do what you love, love what you do.

“They pay me to do what I love,” he says. “I’m a lucky person.”

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