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 Subject : Renewing my membership in the System Dynamics Society.. 10/22/2019 12:52:03 PM 
Mr. Leonard Malczynski
Posts: 45
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Greetings,
In 2009, at the International Conference of the System Dynamics Society, President Erling Moxnes started his Presidential address by saying, '"Groucho Marx said “I refuse to be a member of any club that would have me as member."'

Erling got my attention with that paradox and his use of a Groucho Marx quote.*

For many of us it is time to renew that 'club' membership. Usually I don't give it a second thought. Of course I renew as soon as I can. I look up my income category and reflect on what the Society does for me and, more importantly, what I can do for the Society. The later is especially important the older I get. What can I contribute to my 'club' members?

Having been a Society leader for quite a few years I know that my passions are the quality of system dynamics model construction and supporting our students and new members. I hope I can continue to have an influence through the Society on those things that matter to me. I have learned much and have implemented much in models by reading the SDR.

Lastly, I am constantly amazed and blessed by the friendships I have made as a Society member. So many names come to mind. Instead, here are a few encounters. Meeting someone in the SD Summer School as an SD beginner who now is a SIG leader and is active in possibly hosting a conference; helping someone struggle up a hill in St Gallen carrying luggage with his family and becoming SD friends; suggesting that someone I never met be a Plenary speaker and watching her win an award and educate us all; meeting Jay Forrester and having him ask me what to write in my copy of Industrial Dynamics; meeting my friend and current business partner many years ago at a conference; having almost weekly conversations with a member concerned about SD and the Society; and making a technical connection over the internet in a user group, embracing him when we finally met in person many years later, and creating a family friend. There are many, many more. Those things are important to me. Society membership is important to me.

I encourage all of you to experience this, practice your SD passion, and more by becoming a Society member.

* Okay, my favorite Grouch Marx quote, "Outside of a dog a book is man's best friend; inside of a dog it's too dark to read."
 Subject : Re:Renewing my membership in the System Dynamics Society.. 11/08/2019 09:22:01 AM 
Guido W. Reichert
Posts: 30
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Quote:
I have a mind to join a club and beat you over the head with it.
- Groucho Marx

:)
 Subject : Re:Renewing my membership in the System Dynamics Society.. 11/12/2019 02:22:35 PM 
Jean-Jacques Lauble
Posts: 42
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Hi Guido.

Could you be more explicit. Groucho Marx said that he would never accept to become the member of an organisation that would accept him. If you think like Groucho Marx, then you should not renew your membership. In fact every end of year, since I am a member, I was always tempted not to renew my membership, but I did not because there is no other choice.

JJ
 Subject : Re:Renewing my membership in the System Dynamics Society.. 11/13/2019 09:54:07 AM 
Guido W. Reichert
Posts: 30
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Hi JJ,

unfortunately my similiarity to Groucho Marx is a rather slight one. Alas, I probably will have to do serious modeling for some more time instead of entertaining the public...

I will renew my membership. Nevertheless, there is always a choice - even if it is simply not to join any club or society.

I do note ASIM here in Germany and EUROSIM at the European level. Personally I would greatly appreciate more exchange between OR, Engineering/Simulation, and SD communities. But the privatization and commodification of academia has unfortunately taken camaraderie out of the game and replaced it with competitive diversification.

Hope you will not change your mind - you would be greatly missed!

Regards,
Guido
 Subject : Re:Renewing my membership in the System Dynamics Society.. 11/15/2019 03:53:32 AM 
Jean-Jacques Lauble
Posts: 42
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Hi Guido

As you already know, I am exploring other methodologies more adapted to my problems, like dynamic programming more adapted to more heterogenous, stochastic, less continuous and more discreet environments. I still use Vensim that is well adapted to these problems, but do not really follow traditional SD methodology. I will renew my membership because I am still interested by SD even if I do not believe anymore that pure SD may be useful at least in my case.

Regards.
JJ
 
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