Precision Genome Engineering: From Basic Mechanisms to Application (L1)
March 9-12, 2026  | Fairmont Banff Springs, Banff, AB, Canada
Jonathan S. Weissman, Cecilia Cotta-Ramusino and Joseph Bondy-Denomy
Scholarship Deadline: Nov. 21, 2025 | Abstract Deadline: Feb. 18, 2026 | Early Registration Deadline: Jan. 9, 2026
* Session Chair † Invited but not yet accepted | Program current as of March 17, 2026 3 AM | For the most up-to-date details, visit https://www.keystonesymposia.org
Monday, March 9, 2026
4:00–8:00 PM Registration Van Horne Foyer
6:00–8:00 PM Welcome Mixer Van Horne Foyer
Tuesday, March 10, 2026
7:00–8:00 AM Breakfast President's Hall
8:00–8:10 AM Welcome Remarks (Joint) Van Horne A/B
8:10–9:00 AM Keynote Session (Joint) Van Horne A/B
  * Jonathan S. Weissman, Whitehead Institute, HHMI, and MIT
Session Chair
 
  * Anastasia Khvorova, RNA Therapeutics Institute, UMass Chan Medical School
Session Chair
 
  Jennifer A. Doudna, HHMI/University of California, Berkeley
CRISPR Enzyme Evolution and Applications
 
9:00–11:00 AM Delivery (Joint) Van Horne A/B
  * Charles Gersbach, Duke University
Session Chair
 
  Daniel J. Siegwart, University of Texas Southwestern Medical Center
Development of Signal Peptide Engineered Nucleic Acid Design (SEND) mRNAs and Ionizable Phospholipid (iPhos) Lipid Nanoparticles (LNPs) that Control Localization of Protein Therapeutics
 
  Anastasia Khvorova, RNA Therapeutics Institute, UMass Chan Medical School
Barcoded Libraries for Targeted siRNA Delivery
 
  Leah R Sabin, Regeneron Pharmaceuticals
A Modular, Antibody-Based AAV Retargeting Approach For In Vivo Gene Delivery to the CNS
 
9:30–9:50 AM Coffee Break Van Horne Foyer
9:50–9:55 AM Award Recipient Acknowledgement Van Horne A/B
11:00–1:00 PM Poster Setup Van Horne C
11:00–5:00 PM On Own for Lunch
1:00–10:00 PM Poster Viewing Van Horne C
2:30–4:30 PM Symposia Spotlight 1: Screening and Delivery Van Horne A
  * Gerald Schwank, University Zurich
Session Chair
 
  * Shannon M Miller, Scripps Research
Session Chair
 
  Clare Cahir, The Rockefeller University
Cap1 Forms a Cyclic Tetra-adenylate-induced Membrane Pore during the Type III-A CRISPR-Cas Immune Response
 
  Christopher J Frangieh, Columbia University Medical Center
Resolving Ambiguity from Variants of Uncertain Significance by Linking Variants, Phenotype, and Allele-specific Expression Bias in Inborn Errors of Immunity
 
  Bria L Macklin, Gladstone Institutes
Mutation Agnostic CRISPR Therapeutics to Treat Dominant Neurodegenerative Disease
 
  Bushra Raj, University of Pennsylvania
High throughput in vivo Mapping of Signaling Histories with CRISPR Barcodes
 
  Christopher Baehr, UC Berkeley
Chemically Modified CRISPR Enzymes for Multi-organ Genome Editing in vivo
 
  Wayne Ngo, University of California, Berkeley
Amplified genome editing by in vivo editor production
 
  Wells H Burrell, New York Genome Center
Rational Design of Synthetic Proteins Using a Genome-Scale CRISPR Screen
 
4:30–5:00 PM Coffee Available Van Horne Foyer
5:00–7:00 PM New Editing Modality Van Horne A
  * Britt Adamson, Princeton University
Session Chair
 
  * Xiao Wang, University of Pennsylvania
Session Chair
 
  Samuel H Sternberg, Columbia University
CRISPR Guided Transposons
 
  Cecilia Cotta-Ramusino, Tessera Therapeutics
Discovery and Application of New Gene Editing Modalities to Treat Disease
 
  Erik J Sontheimer, University of Massachusetts Medical School
Prime Assembly with Linear DNA Donors Enables Large Genomic Insertions
 
  Shannon M Miller, Scripps Research
Short Talk: Programmable CRISPR-free gene insertion
 
  Liam J Bartie, Arc Institute / University of California, Berkeley
Short Talk: Programmable Genome Rearrangement at Megabase Scale with Bridge Recombinases
 
7:00–8:00 PM Social Hour with Dinner President's Hall
7:30–10:00 PM Poster Session 1 Van Horne C
Wednesday, March 11, 2026
7:00–8:00 AM Breakfast President's Hall
8:00–11:00 AM Understanding and Therapeutic Application of CRISPR Van Horne A
  * Phoebe A Rice, University of Chicago
Session Chair
 
  Noa Oded Elkayam, EmendoBio
Short Talk: Remote Presentation: AI-Enhanced Optimization of OMNI Nucleases Expands the CRISPR Toolbox for Therapeutic Applications
 
  Xiao Wang, University of Pennsylvania
Developing Bespoke Gene Editing Treatments for Patients with Carbamoyl Phosphate Synthetase 1 (CPS1) Deficiency in Real Time: Successes and Challenges
 
  Britt Adamson, Princeton University
DNA Damage Response and CRISPR
 
  Benjamin P Kleinstiver, Massachusetts General Hospital
Engineered Technologies for Modifying Single Bases to Several Kilobases
 
  Charles Gersbach, Duke University
Cell Reprogramming by CRISPR-based Activation of Endogenous Master Transcription Factors
 
  Gerald Schwank, University Zurich
Short Talk: Rescue of Monogenic Obesity by In Vivo Base and Prime Editing in the Brain
 
8:45–9:05 AM Coffee Break Van Horne Foyer
11:00–1:00 PM Poster Setup Van Horne C
11:00–5:00 PM On Own for Lunch
1:00–10:00 PM Poster Viewing Van Horne C
3:00–4:30 PM Career Roundtable (Joint) Van Horne B
  Kusumika Mukherjee, Cell Press
Senior Scientific Editor
 
  Ying Tam, Acuitas Therapeutics
Chief Scientific Officer
 
  Zachary Zappala, Vertex Pharmaceuticals
Director
 
  Ralph J Garippa, Memorial Sloan Kettering Cancer Center
Director
 
4:30–5:00 PM Coffee Available Van Horne Foyer
5:00–7:00 PM Intersection of Gene Editing High Throughput Screening and Machine Learning Van Horne A
  * Joseph Bondy-Denomy, University of California, San Francisco
Session Chair
 
  Hyongbum Henry Kim, Yonsei University College of Medicine
Experimental and Machine Learning Approaches to Create New Genome Editing Tools
 
  Jonathan S. Weissman, Whitehead Institute, HHMI, and MIT
Learning our Fate from a Data-driven Virtual Map of Mammalian Development
 
  Randall J. Platt, ETH Zurich
Transcriptome-wide Recording in Human Cells
 
  Shengdar Q Tsai, St. Jude Children's Research Hospital
Short Talk: High-throughput Biochemical and Cellular Approaches towards Developing a CRISPR Therapeutic Genome Editing Platform
 
  Dowoon Gu, Korea University
Short Talk: Combination of Abasic Substitution and Extension in Guide RNA Inherently Harness Fidelity of SpCas9 for Genome Editing
 
7:00–8:00 PM Social Hour with Dinner President's Hall
7:30–10:00 PM Poster Session 2 Van Horne C
Thursday, March 12, 2026
7:00–8:00 AM Breakfast President's Hall
8:00–11:00 AM Therapeutic Application Van Horne A
  * Cecilia Cotta-Ramusino, Tessera Therapeutics
Session Chair
 
  Yuxuan Wu, YolTech Therapeutics
Remote Presentation: Design of Therapeutic Editors Aided by AI and High Throughput Approaches
 
  Micah Benson, KSQ Therapeutics
CRISPR Screen-Informed Design of T cell Therapies
 
  Sarah Pierce, Broad Institute
Short Talk: Prime Editing-installed Suppressor tRNAs for Disease-Agnostic Genome Editing
 
  Haihua Chu, Beam Therapeutics
Unlocking the Potential of base Edited HSCs for Therapeutic Applications with Epitope Engineering
 
  Luigi M Naldini, San Raffaele Telethon Institute for Gene Therapy
Gene Editing: Therapeutics and Genotoxicity
 
  X. Shawn Liu, Columbia University Medical Center
Short Talk: Silencing of Pathological Alleles in Inborn Errors Immunity by CRISPR-IMPRINT
 
9:00–9:20 AM Coffee Break Van Horne Foyer
11:00–5:00 PM On Own for Lunch
2:30–4:30 PM Symposia Spotlight 2: New Editing Modality and Therapeutics Van Horne A
  * Shengdar Q Tsai, St. Jude Children's Research Hospital
Session Chair
 
  * Micah Benson, KSQ Therapeutics
Session Chair
 
  Shirley Pei Shan Chia, National University of Singapore
Variant-By-Variant Activity Profiling Reprograms A CRISPR-Associated Transposon Towards Precise DNA Insertion
 
  Phoebe A Rice, University of Chicago
Structural Basis for Directionality of Large Serine Integrases
 
  Sébastien Levesque, Boston Children's Hospital - Harvard Medical School
In Cellulo DNA Assembly for Targeted Genomic Integration and Rearrangement in Human Cells
 
  Holt A Sakai, Broad Institute
Directed Evolution of Small RNA-stabilizing Motifs that Improve Prime Editing
 
  Lilly van de Venn, ETH Zurich
AutoDISCO Enables Sensitive and High-throughput CRISPR/Cas Off-target Detection in Cells and Organisms
 
  Kah Min Yap, Peter MacCallum Cancer Centre
Rewiring Endogenous Genes in CAR T Cells for Tumour-Restricted Payload Delivery
 
  Aditya V Ansodaria, UMass Chan Medical School
Enhancing the Efficacy and Purity of Prime Editing using Chemically Modified Editing Templates and Modification-Tolerant Polymerases
 
4:30–5:00 PM Coffee Available Van Horne Foyer
5:00–6:45 PM CRISPR Biology Van Horne A
  * Benjamin P Kleinstiver, Massachusetts General Hospital
Session Chair
 
  * X. Shawn Liu, Columbia University Medical Center
Session Chair
 
  Joseph Bondy-Denomy, University of California, San Francisco
Mechanisms of CRISPR-Cas Antagonism by Bacteriophages
 
  Mitchell R. O'Connell, University of Rochester Medical Center
Pulling the Plug on Bacteriophage Infection: The Pore Behavior of CRISPR and Anti-phage Defense Associated Membrane Proteins
 
  Elizabeth Kellogg, St. Jude Children's Research Hospital
Mechanism of Programmable Transposases
 
  Kazuo Nakamura, Gladstone Institutes
Short Talk: Phage Defense and Genome Editing using Novel Retrons Sourced from Isolated Environmental Bacteria
 
6:45–7:00 PM Meeting Wrap-Up: Outcomes and Future Directions Van Horne A
7:00–8:00 PM Social Hour with Dinner President's Hall
8:15–9:15 PM Entertainment President's Hall
Friday, March 13, 2026
12:00–11:59 PM Departure