2023 Symposium & Workshop – Milwaukee

AALSO has expanded greatly in the last 20 years. The organization now has over 1,000 members, 500 certified operators, and roughly 300 vendor members. These vendor members supply the zoo and aquarium industry with pumps, valves, filters, heat exchangers, sensors, and every other piece of equipment that keep animals and their habitats healthy.

March 2023
25th – 29th

Hosted By

Milwaukee County Zoo, Wisconsin

Registration is now open

We are no longer accepting new abstract submissions.  Thank you to everyone who applied!

Now Accepting Abstracts for Presentations and Posters!

The 29th annual AALSO Symposium & Workshops will be hosted by the Milwaukee County Zoo in Milwaukee, Wisconsin and take place March 25th – 29th, 2023.

Event Registration

Registration is now open!

You must be a current AALSO Operator Member before registering as an Attendee for the 2022 Symposium & Workshops.

Become an AALSO member now by clicking here

Click Here to Register!

There will be 4 types of registrations this year, Attendee, Exhibitor, Non Exhibiting Vendor and Guest.

  • Registration:
    • Operator Attendee registration fees:
      • Early Registration (ends 2-24-23) :  $445.00    Early Registration has closed
      • Late Registration (after 2-24-23) : $550.00
      • Day Pass : $125.00/day
  • Attendee Attendee Cancellation Policy: Attendees can cancel with a full refund up to seven (7) days before the start of the Symposium. Substitutions from the same facility can be arranged without penalty. Please send an email to treasurer@aalso.org to initiate a cancellation or substitution.

The 2023 AALSO Symposium and Workshops mobile app will be available shortly.

VENDOR registration Is open!


Exhibiting and Non-Exhibiting Vendor Registration:

Exhibiting Vendor Registration: $2250

Additional Booth Attendees: $500/attendee

Non-Exhibiting Vendor: $1200

Non-Exhibiting Vendor Day Pass: $750/day

Guest Pass Cancellation Policy: Guest passes can be canceled with a full refund up to seven (7) days before the start of the Symposium. Please send an email to treasurer@aalso.org to initiate a cancellation or substitution.



Booth Assignments: Amy Stone will be in contact.


Facility & Accommodations

This years host facility is:

Milwaukee County Zoo

The symposium’s hotel will be the Hilton Milwaukee City Center, with a room rate of $142 per night.

Hilton Milwaukee City Center Hotel in Downtown MKE

509 W Wisconsin Ave, Milwaukee, WI 53203

Book your room through the following link to take advantage of the room block discount.

AALSO room block reservation link

If you would prefer calling the hotel at +1-414-271-7250, please mention AALSO for the group rate.

Transportation information coming soon!


Agenda Summary can be downloaded soon. Additional information will be added as it is finalized.


Call for Abstracts

We are no longer accepting abstract submissions.


Thank you to everyone who submitted abstracts for presentations and posters!

The 29th annual AALSO Symposium & Workshops will be hosted by the Milwaukee County Zoo in Milwaukee, Wisconsin and take place March 25th – 29th, 2023. We are now accepting abstracts for both Lecture and Poster presenters!

If you would like to present, please carefully follow the “Instructions for Presenters” and submit your information by following the link below.

Topics should include but are not limited to:

Instrumentation, Green and Sustainable Technologies, Renovations, LSS and Exhibit Design, Innovations, Water Quality, and Dirty Laundry.

Presentations will be both in-person and virtual!

New for 2023:

Transferable Registration: Virtual Presenters may now transfer their FREE registration! If you have a presentation to share but are currently unable to commit to attending in-person, consider sending a fellow staff member in your place!

All presentations will be video recorded by Animal Professional and will be available on their website.

We thank you all for your participation!

Instructions for Presenters:

Abstract submissions is now closed.  Thank you to all who applied.

Following the link below will allow attendees to submit their abstracts for committee review. We ask that completed abstracts be submitted by January 24th, 2023.

Abstract Directions:


(1) Title:
Presentation title should be short and succinct, but clearly represent the theme of the presentation.

(2) Authors:
Include the full names and affiliations of all authors; with full mailing address, email address, and telephone number.

(3) Abstract text:
Abstracts should be informative, stating the purpose of the work and summarize significant findings. They should include an introduction, convey the main point, and outline results and conclusions. Contributions should be scientifically robust. Abstracts should not contain statements such as “this will be discussed”; instead, include information to make the abstract informative. Abstracts must not exceed 150 words.

Submissions & Deadlines


Registration is FREE for all lecture presenters! *One per presentation

Abstract submission deadline: January 24th, 2023.

Notification of acceptance: February 7th, 2023.

For Symposium & Workshop information including Hotel, Registration, Attendee & Vendor Information please refer to the AALSO Website.


2023 Workshops

Once again we will offer an assortment of hands on workshops this year. Workshop registration will open soon!

CLICK HERE to view the Workshop Agenda

CLICK HERE  to view the Workshop Abstracts

We received a lot of great feedback in the workshop surveys and wish to thank all who took the time to provide us with input.


Get Certified

AALSO offers a multi-level operator competency acknowledgement program based on exams created and administered by the AALSO Certification Committee.

AALSO believes that it is appropriate to develop recognition criteria and a proficiency program that encourages Zoo and Aquarium institutions to incorporate these training criteria into their operator development program.


* additional fee applies (contact treasurer@aalso.org for more information)

For workshop related questions: workshops@aalso.org
For agenda related questions: agenda@aalso.org

Previous Symposiums & Events

I very much lacked hands-on experience in life support and AALSO provided me that experience in plentiful amounts. The certification exams were an additional bonus that greatly aids my own professional development.

Workshops were AMAZING. It is one thing to read white papers and look at tech sheets but it’s another thing to be able to do it. The only wish I have is to have more time to do more workshops

Really appreciated the “choose your own adventure” pacing of the conference.  I felt like I had the opportunity to shape my week’s schedule in a way that best suited what I needed versus getting stuck in one track.  Offering the hands-on workshops multiple times through the week was appreciated.