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The T-Shirt project is a blast but make sure you pick a good group. Case Studies are easy but can be tough with everything else going on. Everything is graded easy but the exam is memorizing the readings/videos.  KNOW THE NAMES OF THE PEOPLE IN THE VIDEOS!!","source_url":"https://www.ratemyprofessors.com/professor/1679601","quality_rating":5,"difficulty_rating":3},{"observed_at":"2026-09-07 16:05:03.600406+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI2ODk4OTQz","source_instructor_id":"rmp:1679601","instructor_name":"Stefan Koehler","course_label":"MHR322","course_id":"MHR 322","course_uid":"course_f9745222e60401b0352a8d34","review_date":"2016-08-16 12:32:54 +0000 UTC","comment":"Koehler was a good teacher.  Tons of group projects, but he made the course material very interesting and he knew a ton about the subject matter.","source_url":"https://www.ratemyprofessors.com/professor/1679601","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 16:05:03.600406+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0OTk0OTEw","source_instructor_id":"rmp:1679601","instructor_name":"Stefan Koehler","course_label":"MHR322","course_id":"MHR 322","course_uid":"course_f9745222e60401b0352a8d34","review_date":"2015-06-25 10:56:04 +0000 UTC","comment":"Stefan is the fricken man. Coming from an engineering background, this was my first \"business-like\" class. He is extremely passionate about the subject and really makes lectures enjoyable.  The \"busy work\" that others are referring to is not bad.  Most of the work is done with your group, so finding a group that pulls there own weight is crucial ","source_url":"https://www.ratemyprofessors.com/professor/1679601","quality_rating":5,"difficulty_rating":1},{"observed_at":"2026-09-07 16:05:03.600406+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0ODk3MjY2","source_instructor_id":"rmp:1679601","instructor_name":"Stefan Koehler","course_label":"MHR322","course_id":"MHR 322","course_uid":"course_f9745222e60401b0352a8d34","review_date":"2015-05-25 00:41:19 +0000 UTC","comment":"Felt it was a valuable class for students who want a taste of entrepreneurshipbusiness.  \"Flipped classroom\" style of learning which was frustrating because it's hard to have a decent discussion in a room with 50 other students. But Stefan's very passionate and quirky, which always made for a fun and interesting class. Glad I took it.","source_url":"https://www.ratemyprofessors.com/professor/1679601","quality_rating":4,"difficulty_rating":2},{"observed_at":"2026-09-07 16:05:03.600406+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0ODY4ODA4","source_instructor_id":"rmp:1679601","instructor_name":"Stefan Koehler","course_label":"MHR322","course_id":"MHR 322","course_uid":"course_f9745222e60401b0352a8d34","review_date":"2015-05-19 16:14:16 +0000 UTC","comment":"I wasn't interested in the course topic so I had a hard time getting into the class. You watch online lectures from the YC combinator series and then classtime is a discussion. This is the t-shirt entrepreneur class. No final exams just 5 pop quizzes when I took it. 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