4.4

John Siambanopoulos

Business - Western University

4.4
Quality
2.9
Difficulty
67%
Would Retake
99
Reviews
4.4
Quality
2.9
Difficulty
4.4
Helpful
4.4
Clarity

67%

Would Retake

99

Reviews

Rating Distribution
Official

5

76

4

9

3

4

2

2

1

8

What Students Say

He made it clear (and I've NEVER taken accounting

BUS2257 - 5.0 rating

Not an easy course but an amazing professor

BUS2257 - 5.0 rating
Class Info

Online Classes

100%

Attendance Mandatory

69%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

A-

95% confidence
Based on 29 grades
Most common grades:
A (11)
A+ (5)
B- (4)
Grade Distribution
A(16)B(6)C(0)D(2)F(0)A-/B+(6)
Based on 35 reported grades
A: 11
A+: 5
B-: 4
B+: 3
Common Tags
Respected (10)
Participation matters (10)
Caring (8)
Hilarious (8)
Gives good feedback (6)
Amazing lectures (6)
Skip class? You won't pass. (5)
Tough grader (5)
Rating Trend

Declining

-0.49 avg change
Mar
Nov
Jan
Feb
Jul
Sep
Last 6 months
Ratings by Course

ACS372

5.0

(5)

BIS020

5.0

(1)

BUSINESS020

5.0

(3)

BUS

5.0

(1)

MOS320

5.0

(1)
+17 more courses
Difficulty by Course

BUSSINESS

4.0

BUS1220E2257

4.0

BUS20

3.7

BUSSINES

3.5

MOS1033

3.5

Reviews (99)
5.0
3.0
BUS020
Feb 12, 2002

He rocks.

4.0
3.0
BUS020
Feb 18, 2002

Siambanopoulos...He's gonna be my sidekick when I take over the world.

5.0
2.0
BUS020
Mar 6, 2002

He makes it such a fun class.

5.0
3.0
BUS020
Mar 17, 2002

I wish more profs were like him. Thanks!

5.0
2.0
BUS020
Mar 19, 2002

He actually cares about the students. Unlike Main.

4.0
3.0
BUS20
Apr 12, 2002

good prof, always in good mood, always there to help..knows everyone's name

5.0
3.0
BUS020
Apr 24, 2002

No Comments

5.0
4.0
BUS020
Grade: B-
May 2, 2002

sincere, smart, confident, hilariously funny and incredibly cute. :)

5.0
3.0
ACS020
Oct 18, 2002

So much fun and so interesting! Really upbeat and modern. Cares a lot

5.0
2.0
BUS020
Oct 18, 2002

hated business but loved this class!!

5.0
2.0
ACS372
Oct 20, 2002

he can really explain complex stuff, simply. i love that.

5.0
2.0
ACS372
Grade: A+
Oct 20, 2002

i can't believe he made it interesting. impressive.

5.0
1.0
BUS020
Nov 20, 2002

i WISH you taught bus257. help!!!

5.0
3.0
BUS020
Dec 5, 2002

Cool teacher, had him 4 years ago at Kings, was my first prof

5.0
4.0
ACS033
Dec 11, 2002

he is teacher who cares.

5.0
2.0
ACS033
Dec 17, 2002

Very funny and always happy

5.0
1.0
BUS020
Jan 1, 2003

He's a hottie when you know him. He's amazing.

5.0
2.0
BIS020
Mar 3, 2003

I'd do him

5.0
3.0
ACS372
Mar 25, 2003

Joker, he's one of the only profs who's there for the students and not himself

5.0
4.0
BUS020
Apr 6, 2003

...and this bird can sing! wow. (great prof too.)

4.0
3.0
ACS030
Jun 17, 2003

Nicest guy ever, but be careful, he'll get you on exams.

3.0
2.0
BUSSINES
Oct 6, 2003

Too funny :(

5.0
4.0
BUS020
Dec 2, 2003

I am not in business but I love this class. John is an excellent teacher. He really know his material and approaches it clearly. Sometime he seems unorganized but his stellar reputation is well-deserved. A nice person too. :)

5.0
5.0
BUS020
Feb 2, 2004

John is an amazing prof, sharp dresser, intelligent and confident. (So sexy!) His exams are hard though!

4.0
1.0
ACS020
Apr 17, 2004

learn how to spell his last name right.. cause ur gonna get a multiple choice question on one of ur exams:)

3.0
3.0
BUS020
Oct 22, 2004

macro economics or micro economics...how about macro ego and micro brain? cheesy jokes.

5.0
3.0
BUS020
Oct 27, 2004

So nice, so clear. I didn't really have any interest in business, and now I may want to get my undergrad in it...this man is amazing. I'd do him too.

2.0
4.0
BUSSINESS
Nov 30, 2004

boring

5.0
3.0
BUSINESS020
Grade: Drop/Withdrawal
Dec 23, 2004

Amazingly brilliant. I am most impressed with fact that he totally came through on his reputation. Superbly interesting, fun, smart. The best prof I've had at UWO. I wish universities could clone for the benefit of the students...

5.0
3.0
BUS020
Jan 2, 2005

Amazing Prof. Probably the most interesting prof you'll ever had. best bus 020 prof at kings, but his TA's mark harder than other sections, so consider that

5.0
1.0
BUS020
Apr 7, 2005

he is the best :)

5.0
2.0
BUSINESS020
Apr 8, 2005

Looking back over the year, I've learned more with John than with any other prof. I love his approach; friendly, funny, focused on the important stuff and generally fair. He always makes me think. I'm amazed!!!!!

4.0
3.0
ACS033
Apr 11, 2005

professional,nice,& funny~that's all about john~

2.0
1.0
BUS33
Aug 7, 2005

No Comments

5.0
2.0
BUSINESS020
Aug 25, 2005

I love him. :)

5.0
4.0
BUS20
Sep 28, 2005

I heard a lot about him from my older sister and now that I have him for this class...I am so happy I took it with John. Since the beginning he's been nothing short of wonderful, caring and hilarious. Make sure you take Bus020 with John!! And he's so cute when he bumps into stuff during class!

5.0
3.0
BUS020
Oct 5, 2005

Fantastic!

5.0
4.0
BUS20
Nov 17, 2005

Go jonny.

5.0
3.0
BUS
Jan 2, 2006

Wow. Talk about dedication. You get the impression he's really into his work. Goes way above and beyond the call of duty.

5.0
2.0
ACS372
Feb 18, 2006

WOW. This guy is unreal. Easily one the best profs at Western. And the crazy part...I am learning so much more from him. Amazing prof. Only prof in ACS that uses computers to teach the material..LIKE IN THE REAL WORLD. Impressive. Although a tad frustrating cause theirs more material to learn...

5.0
2.0
ACS033
Apr 27, 2006

Really funny and likes to crack weird jokes then laugh at himself...pretty interesting at times but the material is very dry. Doesn't care if you come to class, goes by the text book.

5.0
3.0
ACS372
Jun 30, 2006

The Best Prof I have ever had! John is one of those few profs that actually care about what he is doing and his studnets. 372 is a challenging course but he makes accounting fun! If you do the home work its easy. Class is worth going to for his stories alone. Always available for help.

5.0
3.0
MOS320
Nov 7, 2006

He went over the material pretty much from the book but what I really like is how he adds things from other sources. I like when he argues with stuff from the book...and I usually agree with him. Good prof.

5.0
1.0
ACS033
Dec 17, 2006

No Comments

5.0
1.0
BUS020
Apr 10, 2008

This guy is amazing!!!

5.0
2.0
MOS180
Jul 5, 2008

Funny prof! Great guy! But Mos 180 was a dry course. He's great at teaching Bus020 as I sometimes went to his class when I slept in for mine! Overall, amazing prof to take! He's fair on his test and grades and trys his best to get the material across to you.

5.0
2.0
BUS1020
Jun 10, 2009

Great Prof! Tries his best to keep the class entertained while carrying his materials across.

5.0
4.0
BUS2257
Apr 8, 2010

One of the greatest profs we have here at Kings.

5.0
3.0
BUS2257
Jun 23, 2010

Great prof. is fun and likes what he is teaching. hands down best prof at western

5.0
3.0
BUS2257
Jul 16, 2010

John is the best teacher at Kings by far. Takes an interest in how his students are doing. Makes the material more interesting and easier to understand in a difficult course. Go to every class if you want to do well and do all your cases!! Labs are useless don't bother.

5.0
1.0
BUS2257
Jun 26, 2011

Best teacher! Easier to understand, fun in class, he did cover a lot extra advanced useful ideas if you listen carefully. Learned a lot from him. Oh, By the way, the lad is getting useful now!

5.0
3.0
ACCT570
Oct 23, 2011

John is an amazing prof who makes class fun and enjoyable. He is very helpful and puts the material into his own words for us to understand! nothing bad to say!

5.0
3.0
BUS2257
Apr 11, 2012

AMAZING! best prof i have every had. Makes accounting interesting. He is funny and positive, always prepared for class, can always answer questions. Fabulous teacher!

5.0
3.0
BUS2257
Apr 19, 2012

AMAZING!!! Never had a better prof. Always there to help, keeps class interesting and fun...He is hilarious! Never wanted to miss one of his classes...If you can take him you'll be doing yourself a huge favor...

5.0
2.0
BUS2257
Oct 3, 2013

He knows his stuff extremely well and delivers it in a simple but really understandable way. His humour and caring attitude only adds to how great a professor he is. One of the top profs at Western.

5.0
1.0
BUS1220E
Jan 8, 2015

A great teacher. Very clear, funny and keeps things moving. I like his examples and they way he works life into dry business subjects. Sometimes speaks quickly.

5.0
3.0
1220E
Feb 6, 2015

AMAZING prof. Makes me want to attend class and listen to what he has to say about the unit. He has such an admirable passion for teaching and genuinely cares about his students. He will help you with anything you ask, and he really knows what he's talking about. So thankful to have had him as my prof.

5.0
1.0
1220E
Grade: A
May 20, 2015

best prof ever

5.0
3.0
1220E
Grade: B+
Sep 14, 2015

Amazing Class and amazing prof

5.0
1.0
BUS2257
Sep 30, 2015

I was so worried taking 2257 from what I heard from friends. John has been fantastic from the first day. He takes dry material (it's accounting!) and makes it clear, useful and actually fun. He is professional yet friendly and funny. One of the greatest profs at Western and his reputation is deserved. John rocks!

5.0
2.0
BUS1220E
Jan 3, 2016

John Siambanopolous or "Simba" as we call him is one of the greatest professors I have ever had. I had taken my first semester of Bus1220E with a different prof and was getting about 65. When I attended John's class in the 2nd semester, my grades we're mid to high 80's! I cannot recommend this professor enough. He is always there for students.

5.0
3.0
1220E
Grade: A
Mar 3, 2016

Great teacher, always encourages class participation

5.0
3.0
1220E
Grade: A+
Apr 25, 2016

Can not say enough good things about John. Such an amazing prof, genuinely cares about his students and how they are doing. Sometimes he is unclear about concepts during lecture, he is always really helpful during office hours! He knows what he wants/expects from students mark wise, it's a tough course but he is always willing to help!

5.0
3.0
BUS1220E
Grade: A+
Jun 1, 2016
Would take again

John is amazing. Business1220 was my favorite first year class (even though it was at 8:30am) because of John. He is hilarious and really motivates his students to do their best. If you participate a couple times per class and do the cases you can do really well in his class, I finished with an 85%. Overall, great prof and I highly recommend him.

5.0
4.0
1220E
Grade: A-
Aug 19, 2016
Would take again

John is a genuine guy. He cares about how you do and pushes you to develop better analytical, writing, and communication skills. He has a real good way of explaining things and if you don't get it he will do everything in his power to help you understand. Participation is a must. TAKE JOHN

Respected
Participation matters
LOTS OF HOMEWORK
5.0
3.0
BUS2257
Grade: A+
Nov 26, 2016
Would take again

done well

Gives good feedback
Inspirational
Amazing lectures
1.0
5.0
BUS1220E
Grade: D
Apr 20, 2017
Wouldn't take again

Did not like him at all. many students said he is the best but not really if can take with another prof would be better

5.0
3.0
BUS2257
Grade: A+
May 8, 2017
Would take again

John is the best. Period. Had him for Business 1220E (got 85%) and Business 2257 (got 88%) because of John's teaching. He's a great prof and really makes an effort to help every student do their best. 3 tips to an "A": GO TO CLASS, DO CASES, PARTICIPATE. If you do that, you will not get under an 80%, guaranteed. Overall, you cant go wrong with John

Respected
Participation matters
Skip class? You won't pass.
5.0
3.0
BUS1220E
Grade: B-
Sep 20, 2017
Would take again

John is BY far the most amazing professor I've had at university. So wonderfully clear and engaging. The class was a joy to attend. My friend never came to class, didn't do any of the cases and got a "D". She didn't like him. That explains a lot.

Respected
Participation matters
Skip class? You won't pass.
5.0
4.0
BUS1220E
Grade: A
Dec 2, 2017
Would take again

Best biz prof at UWO. Great lectures. Goes over cases thoroughly and explains each step. Available for help consistently and has review sessions before exams. Cares about his students and is a genuinely nice guy. Go to class and do the work and you will do well.

Respected
Participation matters
Skip class? You won't pass.
5.0
3.0
BUS2257
Grade: A
Jan 16, 2018
Would take again

best teacher i have ever had through my time in grade school, high school, college and university. The only prof all semester that felt like they were rooting for me as a person. More profs need to be like you John

Amazing lectures
Caring
Would take again
5.0
4.0
BUS1220E2257
May 17, 2018
Would take again

Taking both bus 1220 and 2257 with him; cannot think a better experience of studying accounting and business analysis. John is absolutely knowledgeable and his lecture is never dry; you'll really understand the lecture rather than just remember something and take the exam. You will never regret to choose him.

5.0
4.0
BUS2257
Grade: A
Jul 25, 2018
Would take again

My second degree and John has become my favourite professor I have ever had. I want to do Business after my first degree and he was amazing in Bus 1220E and then saved me in Bus 2257. I went to other profs classes and never went back. John is what all students want in a prof. Brilliant, funny and caring! Thank you John!!!! We love you!!

Hilarious
Amazing lectures
Caring
5.0
2.0
1220E
Grade: A
Aug 10, 2018
Would take again

He wants you to succeed. One of the best professors I've had thus far. Was super nice having him as my prof when I heard some horror stories of other business profs at Kings. Also had him for 2257. It was a bit harder of a course but he still taught it amazingly. Heard there are other great options for 2257 if you can't get him for it though.

Respected
Hilarious
Caring
4.0
4.0
BUS2257
Oct 17, 2018
Would take again

nice prof tough class

Participation matters
Skip class? You won't pass.
ACCESSIBLE OUTSIDE CLASS
5.0
4.0
BUS2257
Grade: A-
Oct 22, 2018
Would take again

Such an amazing teacher. Truly the definition of a TEACHER. He wants / needs you to succeed! Super fair guy.

Gives good feedback
Participation matters
GROUP PROJECTS
5.0
3.0
BUS2257
Grade: B-
Jan 11, 2019
Would take again

He is exactly what every student dreams of when they are worried about a class. I was so scared taking 2257. It's a hard course everyone has told me. John was great. He made it clear (and I've NEVER taken accounting!!) and very bearable. I wish every prof I had was like him. I know I would do great.

Hilarious
Amazing lectures
Caring
5.0
4.0
BUS2257
Mar 5, 2019
Would take again

Not an easy course but an amazing professor. Kings is very lucky to have a professor who cares about the success of his students, very smart and engaging.

Respected
Participation matters
Hilarious
5.0
3.0
BUS2257
Jul 26, 2019
Wouldn't take again

Very nice prof, explain materials clearly. Very helpful.

5.0
4.0
BUS2257
Grade: A-
Nov 15, 2019
Would take again

Excellent professor who knows accounting and makes it interesting. I'm in finance and John tied ideas to other areas (marketing, finance, etc.). Awesome.

Respected
Hilarious
Amazing lectures
5.0
4.0
BUS2257
Feb 26, 2020
Would take again

course is tough but prof is amazing thank you John for the experience.

Gives good feedback
Respected
Skip class? You won't pass.
5.0
3.0
BUS2257
May 16, 2021
Would take again

Amazing prof, responds to any questions outside of course designated hours extremely fast. Has the best interest for every student. Lectures are engaging and lively. Course was fairly difficult, however he really does help to learn all of the material. Would definitely recommend, as well as sign up for his classes again.

Gives good feedback
Accessible outside class
Amazing lectures
5.0
3.0
MOS2227
Grade: A
Feb 15, 2022
Would take again

Best prof there is you will not regret taking a class with him

Gives good feedback
Hilarious
Caring
1.0
3.0
MOS1033
Grade: A
May 8, 2022

He is all over the place in his lectures. His assessment questions are unpredictable and some are irrelevant. You need to remember every minuscule detail of the textbook to get a good grade in his class. Overall, he is a nice and accommodating guy but I would not recommend.

1.0
4.0
MOS2227
May 13, 2022

Unfair final exam....

Tough grader
Test heavy
Online Savvy
4.0
3.0
MOS2227
Grade: B+
Aug 12, 2022
Would take again

Great lecture that made me liked this boring course. Get ready to do the homework, and you'll do better on the exams.

Get ready to read
Amazing lectures
Lots of homework
5.0
3.0
MOS1033
Grade: A
Oct 12, 2022
Would take again

This guy is the goat, took him a while back but had to drop a 5 star for ma boy. He wants you to succeed, he wants you to understand, and he wants you to enjoy his classes. Very funny guy with lectures that keep you interested in the class. I 100000% reccomend Mr.Siambanopoulos

Amazing lectures
Caring
Respected
1.0
5.0
BUSSINES
Grade: Rather not say
Jan 12, 2023

Overall, not a good professor. He didn't even give out clear grades and just post out a total of the whole course.

Tough grader
Participation matters
Graded by few things
1.0
5.0
MOS1033
Mar 4, 2023

Not a good professor, talk to much about personal life. Bad grader. Didn't post grades on time. Very lazy.

Tough grader
Participation matters
Amazing lectures
1.0
5.0
MOS1033
Grade: Not sure yet
May 26, 2023

Does not respond to emails, and only gives you 13 minutes for a 15-question quiz. I would not recommend it!

Tough grader
3.0
3.0
MOS1033
Grade: B
Mar 11, 2024

Showed up and made jokes in class, tests weren't too hard but he is not a teacher that is your friend. Doesn't value students showing up to every class and is not understanding when it comes to problems outside of school.

Get ready to read
Graded by few things
1.0
5.0
BUS1220E
Grade: Audit/No Grade
Nov 6, 2024

Speaks very quickly, making it hard for you to understand, and also cover material rapidly, even going over final exam content during the midterm period.

Test heavy
1.0
5.0
MOS1033
Grade: Rather not say
Nov 27, 2024

No clearly info about the weekly learning content on OWL, no detailed syllabus outlining the learning objectives.making it impossible for students to determine whether they should drop the course within the designated drop period. The exams are designed differently from most professors, so there are no alternative learning resources.

Tough grader
Test heavy
Graded by few things
4.0
2.0
MOS1033
Grade: B-
Jan 27, 2025

midterm and final exams were pretty easy if you just study the lecture notes. The weekly quizzes he assigns are pretty difficult if you haven't already studied the material. The 3 Excel assignments are super finicky and you quickly lose marks for accidentally misclicking

4.0
3.0
MOS1033
Grade: Rather not say
Feb 12, 2025
Would take again

Good prof! As long as you try, complete homework and participate in class, you will be more than okay.

Beware of pop quizzes
Respected
Lecture heavy
3.0
4.0
MOS1033
Grade: B
Feb 26, 2025

The professor has a specific teaching style, but engaging with it can be worthwhile. Use study resources like unstuckstudy along with the textbook to succeed in this class.

5.0
2.0
MOS1033
Grade: B+
Jul 17, 2025
Would take again

I had him for MOS 1023, and MOS 1033. I have to say he was one of the best teachers/profs I have ever had. I strongly recommend anyone to take his courses that he is offering as he is a very engaging, and funny teacher. He rewards people who try and participate in class. He also gives out bonus marks for certain classes *mos 1033* on the last class

Participation matters
Amazing lectures
Caring
5.0
3.0
MOS2227
Grade: A
Sep 19, 2025
Would take again

John is one of the most underrated professors. super understanding of personal issues, lecture material is clear, and responds to emails/questions quickly. the course can be tough but john wants you to do well. if you put in the work, a grade above an 85 is achievable. would take him again 100%

Gives good feedback
Hilarious
Beware of pop quizzes
5.0
3.0
MOS1033
Grade: A
Sep 24, 2025
Would take again

Great prof. Would highly recommend. Very content heavy.

Hilarious
Caring
Online Savvy
Class Info

Online Classes

100%

Attendance Mandatory

69%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

A-

95% confidence
Based on 29 grades
Most common grades:
A (11)
A+ (5)
B- (4)
Grade Distribution
A(16)B(6)C(0)D(2)F(0)A-/B+(6)
Based on 35 reported grades
A: 11
A+: 5
B-: 4
B+: 3
Common Tags
Respected (10)
Participation matters (10)
Caring (8)
Hilarious (8)
Gives good feedback (6)
Amazing lectures (6)
Skip class? You won't pass. (5)
Tough grader (5)
Rating Trend

Declining

-0.49 avg change
Mar
Nov
Jan
Feb
Jul
Sep
Last 6 months
Ratings by Course

ACS372

5.0

(5)

BIS020

5.0

(1)

BUSINESS020

5.0

(3)

BUS

5.0

(1)

MOS320

5.0

(1)
+17 more courses
Difficulty by Course

BUSSINESS

4.0

BUS1220E2257

4.0

BUS20

3.7

BUSSINES

3.5

MOS1033

3.5

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