21st Kolokotrones Symposium group photo

The 21st Kolokotrones Symposium was a success!

Thank you to our wonderful speakers for contributing their perspectives at this event, a collaboration with the Smith Center.

Recordings will be posted on YouTube in the coming weeks. Subscribe for notifications: www.youtube.com/@CAUSALab

Two common misconceptions when repurposing data for #causalinference:
1) the target trial is an ideal trial
2) the target trial protocol can be prespecified

Our new paper examines how the target trial protocol depends on the causal question AND the available data.

journals.lww.com/epidem/abstr...

Combining Information for Causal Inference (CICI). Dates: June 15-18, 2026. Taught by Issa Dahabreh and José Zubizarreta

Interested in combining randomized trial and real-world data?

Combining Information for Causal Inference (CICI) explores generalizability & transportability analyses, general study design, & more. 💡

Instructors: Issa Dahabreh, Jose Zubizarreta
📆 June 15-18, 2026

hsph.harvard.edu/research/cau...

One week away! Don't miss the next Methods Series presentation with Alex Ocampo.

2026 Methods Series with Carole Marxer YouTube video by CAUSALab at Harvard T.H. Chan

Watch now on YouTube: youtu.be/GvaUejSZe2g?...

"[ACA] content is cutting-edge, providing deep insights into the latest methods and practices in the field ... the course structure made complex topics accessible, and I gained practical, actionable knowledge."

Thinking about taking Advanced Confounding Adjustment (June 15-18)? Secure your spot today.

ACA is designed for researchers and analysts who want to acquire advanced skills required for causal inference with time-varying treatments. Prerequisite details, including prerequisite course Fundamentals of Confounding Adjustment (FCA), can be found online.

Advanced Confounding Adjustment (ACA). Dates: June 15-18, 2026. Taught by Joy Shi, Barbra Dickerman, Miguel Hernán

Interested in using g-methods with time-varying confounders?💡

Advanced Confounding Adjustment (ACA) teaches inverse probability weighting, parametric g-formula, & more.

📆 June 15-18, 2026
📍 @hsph.harvard.edu / online

Apply: causalab.hsph.harvard.edu/courses/

🔗 Learn more: hsph.harvard.edu/research/cau...

Applicant must 1) be a US citizen or permanent resident 2) have an MD with training in psychiatry or a PhD in clinical psychology, epidemiology, or a related field.

Apply now: T32 Postdoctoral Research Fellow

Searching for a postdoc opportunity?

CAUSALab is reviewing applications for the T32 Training Program in Comparative Effectiveness Research for Suicide Prevention (Funded by NIMH, T32 MH125815).

🔗 Apply:
form.jotform.com/201476846966...

Learn more in comments. #causalinference

April 7, 2026 Methods Talk: Simplifying Causal Mediation Analysis for Time-to-Event Outcomes using Pseudo-Values

Alex Ocampo continues the 2026 Methods Series speaker lineup in 2 weeks @ki.se 👇

"Simplifying Causal Mediation Analysis for Time-to-Event Outcomes using Pseudo-Values."

📆 April 7, 2026
⏰ 15.00 CEST/9.00 EDT
📍 Online

Register to attend:
stats.sender.net/forms/e7JD1d...

IWHOD 2026 banner

Attending IWHOD 2026?

Meet our team at the International Workshop on HIV and Hepatitis Observational Databases (IWHOD). Attendees include Sara Lodi, Daniela van Santen @isaacnunezs.bsky.social

📅 March 26-28, 2026
📍 Thessaloniki, Greece

About IWHOD:
iwhod.org

Spring 2026 speaker lineup

Register now for the 21st Kolokotrones Symposium!

External Controls for Causal Inference: Study Design and Analysis is a collaboration w/ the Richard A. and Susan F. Smith Center for Outcomes Research.

📆 Apr 3, 2026
⏰ 1:30-3:30 PM
📍 Online/In-Person

Register: www.eventbrite.com/e/external-c...

Key Topics in Causal Inference (KTCI). Dates: June 8-12, 2026. Taught by Miguel Hernán, Sara Lodi, Judith Lok, James Robins, Eric Tchetgen Tchetgen & Tyler VanderWeele

Want to build a foundation of #causalinference methodology?

Key Topics in Causal Inference (KTCI) is for researchers interested in acquiring a roadmap to the current causal research landscape.

📆 June 8-12, 2026
📍 In-person @hsph.harvard.edu / online

Learn more:
hsph.harvard.edu/research/cau...

[TTE] was excellent. Creative, innovative, and impressive work at CAUSALab.

Thinking about taking Target Trial Emulation (June 8-12)? We asked last year's participants for their thoughts 👇

2026 Methods Series with Paweł Morzywołek YouTube video by CAUSALab at Harvard T.H. Chan

Recording on YouTube: youtu.be/_i3uY1IfSLk?...

Target Trial Emulation (TTE). Dates: June 8-12, 2026. Taught by Barbra Dickerman, Joy Shi, Miguel Hernán

Interested in using health databases for #causalinference research?

Target Trial Emulation (TTE) covers the target trial emulation framework in increasingly complex settings.

📆 June 8-12, 2026

Taught by Babra Dickerman, Joy Shi, @miguelhernan.org

Apply now:
hsph.harvard.edu/research/cau...

The symposium will provide an introduction to external control arms and explore methodology and study design for causal inference. The symposium will conclude with an expert panel that will consider the question: where do we go from here?

Speaker remarks are based on their own scholarship and experience. As such, they speak for themselves, and not for Harvard University.

21st Kolokotrones Symposium

Do not miss the 21st Kolokotrones Symposium!

External Controls for Causal Inference: Study Design and Analysis is a collaboration with the Richard A. and Susan F. Smith Center for Outcomes Research.

📆 Apr 3, 2026
⏰ 1:30-3:30 PM
📍 Online/In-Person

Register:
www.eventbrite.com/e/external-c...

Next week! Don't forget to register Carole Marxer's Methods talk on target trial emulation.

Sophia Rein new role: Instructor of Epidemiology

Congratulations to CAUSALab researcher Sophia Rein for her promotion to Instructor of Epidemiology!

Thank you for all your incredible work, Sophia.

@harvardepi.bsky.social #causalinference #publichealth #hsph #epidemiology

March 10, 2026 Methods Talk: Target Trial Emulations to Study Drug Safety During Pregnancy

Next up in the Methods Series @ki.se!

Carole Marxer presents, "Target Trial Emulations to Study Drug Safety During Pregnancy."

📆 Mar 10, 2026
⏰ 15.00 CET/10.00 EDT
📍 Online or In-Person (IMM Salen, Campus Solna)

Register:
stats.sender.net/forms/e7JD1d...

1 week until the next Methods talk! Details below.

Last call for tuition waiver applications! 🚨

Deadline this week: February 15, 2026 at 11:59 PM (EST). Info and link below.

In-person session will be held in IMM Salen, Campus Solna at Karolinska Institutet.

Feb 24, 2026 Methods Talk: Inference on local variable importance measures for heterogeneous treatment effects

The Methods Series @ki.se continues in 2 weeks!

@pawelmorzywolek.bsky.social presents, "Inference on local variable importance measures for heterogeneous treatment effects."

📆 Feb 24, 2026
⏰ 15.00 CET/9.00 EST
📍 Online or In-Person

Register:
stats.sender.net/forms/e7JD1d...

2026 CAUSALab Summer Courses on Causal Inference: KTCI, TTE, CICI, ACA. Online prerequisite course: FCA.

See you in June? ☀️

Applications for the 2026 Summer Courses on Causal Inference are open! Join CAUSALab this summer to learn from the #causalinference experts on campus
@hsph.harvard.edu or online.

Learn more & secure your spot today:
hsph.harvard.edu/research/cau...