Convention 2023
Convention 2023
Convention 2023


Sigma’s 47th Biennial Convention will take place at the Henry B. González Convention Center in San Antonio, Texas, USA, from 11‑15 November 2023. Please read the following information to help ensure a safe trip.

Hotel Information

Special guest room pricing for this event has been arranged at the Grand Hyatt San Antonio, Marriott Rivercenter, and Marriott Riverwalk. Room availability and special rates are limited, so make your reservations now by clicking one of the links below. If you are calling in your reservation, be sure to mention Sigma's 47th Biennial Convention.


  • Guest rooms are subject to applicable state and local taxes.
  • Guest room reservations are available on a first-come, first-served basis.

Grand Hyatt San Antonio

Grand Hyatt San Antonio
Make your reservation »

Marriott Rivercenter

Marriott Rivercenter
Make your reservation »

Marriott Riverwalk

Marriott Riverwalk
Make your reservation »

Travel Information

Please read the following travel information to help ensure a safe and enjoyable trip.



San Antonio International Airport

Ground Transportation

There are many options available for transportation to and from the airport, including shuttles and taxis. Uber and Lyft also service the San Antonio area.

Event Attire
The attire for this event is business casual. We recommended dressing in layers as some rooms may be cooler than others.
Information for International Attendees

View information regarding entry requirements to the USA, customs, foreign consulates, and transportation security from the US Department of State.


In emergency situations, you can reach local police, ambulance service, fire department, and other emergency services by calling 911.

Time Zones

The time zone in San Antonio, Texas, is Central Standard Time (CST).

Visiting San Antonio

General Information

San Antonio

Local Area Maps

Money and Tipping

Electricity and Voltage

Traveling Abroad

Visit your country’s government website for information about and recommendations for traveling to the USA. When traveling outside your home country, it is recommended that you register with your embassy or consulate by notifying that office of your travel dates and destination.

Visa Letter Request

Your request will be processed within 10 business days. Requests for confirmation letters must be submitted by 6 October 2023. Requests for mailed letters will be reviewed, and additional fees will apply. The confirmation letter does not guarantee that you will receive a visa. Confirmation letters include only the event title, the dates, the location, the payment confirmation of registration fees, and verification that you are a presenter, if applicable.

Many countries are experiencing great delay in getting embassy/visa appointments. Be sure to act early.

If you are denied a visa, we will provide you with a full refund as long as we are notified before Thursday, 12 October 2023. Attendees are advised to apply for a visa as early as possible.

Submit your Visit Letter Request Application »

Visit San Antonio

With so much rich art, local history, unique food, global culture, and thrilling entertainment around every corner, there’s always something worth celebrating in San Antonio!

We hope you'll spend your time in San Antonio exploring everything the city has to offer.

Learn more »

View the Official Travel Guide 

Show us your badge 

Show us your badge

Visit San Antonio is dedicated to ensuring attendees have the best San Antonio experience possible. To accomplish this goal, they established the Show Us Your Badge program to help you explore the city on a budget.

How it works

Through our Show Us Your Badge program, you can receive discounts and special offers at over 50 restaurants and nightlife establishments in downtown San Antonio simply by showing your conference badge.