4th Annual

a2 National Symposium

March 19–20, 2026

Johns Hopkins Bloomberg Center | Washington, D.C.

Recordings coming soon
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Why Attend

Discover

Breakthroughs in AI, aging, and dementia care that redefine what’s possible.

Connect

Researchers, innovators, and funders shaping the future of healthy longevity.

Experience

Washington, D.C., in full bloom—ideas and cherry blossoms alike.

Powering Innovation Through Partnership

The a2 National Symposium is made possible by visionary sponsors and collaborators driving progress in AI, aging, and healthcare innovation.

SPONSORS AND SUPPORTING PARTNERS FOR EDUCATION AND TRAINING

HOSTED BY:

CO-HOSTED BY:

The a2 National Symposium is primarily funded by the National Institute on Aging, part of the National Institutes of Health.

Contact

For general questions about the symposium please contact:

Amanda Curran

Email: amanda.curran@roseliassociates.com

Speakers

Meet the Voices Shaping the Future of AI + Aging 

Speaker

Matthew

Versaggi

, MS, MBA

Presidential Innovation Fellow in AI (Special Cohort ’24)

Bio

Matthew Versaggi, MS, MBA, is an AI subject matter expert and senior leader in AI at the Fortune 5 healthcare level who has seen hundreds of use cases and has been in the AI space since the mid-1980s. He has decades of experience as an entrepreneur, graduate-level university professor, and public speaker. He holds patents in quantum computing, machine learning, and cognitive technology, and has chaired patent review boards that awarded hundreds of AI healthcare and technology patents.

While serving as a senior director at Optum Technology, Versaggi led the organization’s AI center of excellence and founded the College of Artificial Intelligence, which has trained hundreds of technologists. Versaggi is classically trained in AI at the graduate computer science level, holds four university degrees including an MBA, and has earned dozens of professional certificates in AI technology and AI business strategy.

Matthew

Versaggi

, MS, MBA

Presidential Innovation Fellow in AI (Special Cohort ’24)

White House Presidential Innovation Fellows

Learn More

Panelist

Randall

Williams

, MD

Co-Founder and CEO, WellSaid AI

Bio

Randall Williams, MD, is a visionary and experienced physician, executive, digital health pioneer and serial entrepreneur, board member, founder, and CEO. He is currently the CEO of WellSaid AI, an industry leader in the rapidly emerging field of AgeTech. WellSaid AI’s mission is to support active, healthy aging by improving the early detection and support of individuals with cognitive or physical decline, social isolation, and related challenges to living independently.

Dr. Williams brings a unique breadth of healthcare clinical and executive leadership, market and operational experience, and insight. Following his medical training at the Johns Hopkins School of Medicine as a heart failure and transplant cardiologist, he was recruited to Northwestern University in Chicago. There, he built one of the first nationally recognized chronic care programs for heart failure and the organization’s care management infrastructure. In 2004, he launched his first healthcare technology startup, Pharos Innovations, a pioneer in the field of telehealth and remote patient monitoring. Dr. Williams has testified before and advised the U.S. Senate, Congressional Budget Office, and both the George W. Bush and Obama administrations on healthcare delivery system reform, as well as helped design the Center for Medicare and Medicaid Innovation (CMMI) at the Centers for Medicare & Medicaid Services (CMS).

Randall

Williams

, MD

Co-Founder and CEO, WellSaid AI

a2 Pilot Awards Cohort 1, JH AITC

Learn More

Panelist

David

Yonce

, MS, MBA

CEO, Cogwear

Bio

David Yonce, MS, MBA, is the CEO of Cogwear, a brain technology company that improves health, peace, and performance through its comfortable, wearable technology that provides clinical-grade insights into brain health. He is a medical device and technology executive who has positioned companies for double-digit growth and acquisition, helped deliver over 50 new products to market, and has received 54 patents.

With more than 25 years in the medical device space, including 20 of those in a management or executive capacity, he has held diverse roles across R&D, operations, marketing, strategy, and sales at companies such as Boston Scientific, AMS, and DSM Biomedical. He also serves on the advisory boards of several companies and counsels industry advocacy groups and multiple public seed fund initiatives. Yonce earned a BS in electrical engineering from Cornell University, holds an MS in electrical engineering from the University of Maryland, and graduated with honors with an MBA from the University of Chicago Booth School of Business.

David

Yonce

, MS, MBA

CEO, Cogwear

a2 Pilot Awards Cohort 1, PennAITech

Learn More

Agenda

a2 NATIONAL SYMPOSIUM | Empowering Innovation in AI/Tech + Aging

March 19–20, 2026

Hopkins Bloomberg Center

Washington, D.C.

March 18 Pre-Symposium Workshops: In addition to the March 19–20 symposium, for which registration is open to the public, the a2 Collective Coordinating Center is hosting pre-symposium training workshops on March 18 for principal investigators from the a2 Pilot Awards cohorts funded in 2025. March 18 workshops are by invitation only and participation is subject to space limitations. More details on workshop content are available here.

The a2 National Symposium will include keynote talks, panels, poster presentations/demos, networking opportunities, a speed mentoring session, and a pitch challenge. A preliminary agenda is available below, with additional speakers and details to be announced in the coming weeks. The agenda was last updated on March 24, 2026, to reflect final event details..

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Thursday, March 19, 2026
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Friday, March 20, 2026
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Poster Presentations

#0 - An Automated Pipeline for Ventricle Volume and Shape Analysis and Subarachnoid Space Quantification in Normal Pressure Hydrocephalus
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PI(s):
Jerry Prince, PhD
Institution/Company:
Johns Hopkins University
AITC Affiliation:
JH AITC
#0 - AI-Driven Cognitive Assessment Program for Older Adults at Risk for Alzheimer's Disease
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PI(s):
Meghan K. Mattos, PhD, RN, CNL | Serkan Sandikcioglu, MEM
Institution/Company:
University of Virginia | Calbium AI
AITC Affiliation:
JH AITC
#0 - Developing and Testing an Evidence-Based AI Dementia Care Navigation Assistant
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PI(s):
Nikhil Patel | Halima Amjad, MD, MPH, PhD | Cynthia Fields, MD
Institution/Company:
Craniometrix
AITC Affiliation:
JH AITC
#0 - A Morphologic-Epigenomic Tool for Mapping Senescent Cells
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PI(s):
Timothy S. McConnell, PhD
Institution/Company:
AtlasXomics Inc.
AITC Affiliation:
JH AITC
#0 - Evaluating Virtual Agents for Older Adults Using Voice Cloning Technology
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PI(s):
Amit Mehta, MD | Camille Noufi, PhD
Institution/Company:
Amplifier Health Inc.
AITC Affiliation:
JH AITC
#0 - Living With a Robot Assistant? Early Resident Perspectives from a Senior Living Community
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PI(s):
Philip A. Cola, PhD | Peter John Whitehouse, MD, PhD
Institution/Company:
Case Western Reserve University
AITC Affiliation:
JH AITC
#0 - Frailty phenotype reveals heterogeneity in aging and distinct taurine associations
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PI(s):
Rebecca Keener, PhD
Institution/Company:
Johns Hopkins University
AITC Affiliation:
JH AITC
#0 - In-Home Assessment of Muscle Deterioration with AI-Enhanced Smartphone Sonometry
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PI(s):
Renjie Zhao, PhD | Xinyu Zhang, PhD
Institution/Company:
Johns Hopkins | UCSD
AITC Affiliation:
JH AITC
#0 - A biological aging clock based on body composition from whole-body imaging
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PI(s):
Vineet Raghu, PhD
Institution/Company:
Massachusetts General Hospital
AITC Affiliation:
JH AITC
#0 - SafeCircle: AI and Micro-Radar-Based Remote Monitoring for Patients with AD/ADRD
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PI(s):
Nazmus Sakib, PhD
Institution/Company:
Kennesaw State University
AITC Affiliation:
JH AITC
#0 - AI-assisted prediction of healthy aging and Alzheimer's disease progression
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PI(s):
Chaitanya Gupta, PhD | Steven E. Arnold, MD
Institution/Company:
Probius Inc.
AITC Affiliation:
MassAITC
#0 - Behavioral Analytics is the New Medical Device
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PI(s):
Rhoda Au, PhD, MBA
Institution/Company:
Boston University
AITC Affiliation:
JH AITC
#0 - Measuring Heart Rate using Biomagnetism-based Wearable Devices
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PI(s):
Longfei Shangguan, PhD
Institution/Company:
University of Pittsburgh
AITC Affiliation:
MassAITC
#0 - Leveraging Digital Cognitive Rhythms to Detect ADRD Risk in Family Caregivers
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PI(s):
Raeanne Moore, PhD | Yeonsu Song, PhD
Institution/Company:
UCSD | UCLA
AITC Affiliation:
MassAITC
#0 - Trialchat: Development of an AI Agent Companion to Encourage Participation in ADRD Clinical Trial
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PI(s):
Timothy Mackey, PhD
Institution/Company:
S-3 Research LLC
AITC Affiliation:
MassAITC
#0 - Using AI to Repurpose Small Molecules to Target Amyloid-Tau Interactions in AD
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PI(s):
Jeremy Linsley, PhD
Institution/Company:
Operant BioPharma
AITC Affiliation:
MassAITC
#0 - A Novel Digital Twin for Chronic Care Coordination and Healthy Aging
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PI(s):
Katherine Kim, PhD, MBA, MPH
Institution/Company:
Health Tequity LLC
AITC Affiliation:
PennAITech
#0 - AI-based assessment of dementia etiologies
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PI(s):
Vijaya Kolachalama, PhD | Rhoda Au, PhD, MBA
Institution/Company:
Boston University
AITC Affiliation:
JH AITC
#0 - AI-Driven Chatbot to Navigate Cognitive Care Plan for Persons with AD/ADRD
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PI(s):
Bin Huang, PhD | Katherine Britt, PhD, RN
Institution/Company:
BrainCheck Inc.
AITC Affiliation:
PennAITech
#0 - AI-based Digital Cognitive Assessments for Early Detection of Dementia
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PI(s):
Bin Huang, PhD
Institution/Company:
BrainCheck Inc. | University of Texas
AITC Affiliation:
JH AITC
#0 - Detection of Adverse Drug Event Using NLP Among Older Adults with Heart Failure
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PI(s):
Min Ji Kwak, MD, MS, DrPH | Sunyang Fu, PhD, MHI
Institution/Company:
University of Texas Health Science Center at Houston
AITC Affiliation:
PennAITech
#0 - Scalable Subtyping for Personalized Assessment of Late-life Social Disconnection
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PI(s):
Nili Solomonov, PhD | Logan Grosenick, PhD
Institution/Company:
Weill Cornell Medicine
AITC Affiliation:
PennAITech
#0 - Using explainable AI and deep learning for brain age prediction in older adults in clinical settings
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PI(s):
Mehmet Kurt, PhD
Institution/Company:
KurtLab | University of Washington
AITC Affiliation:
PennAITech
#0 - Understanding aging and ADRD disparities using a c representative epigenetic clock
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PI(s):
Rory Boyle, PhD
Institution/Company:
University of Pennsylvania
AITC Affiliation:
PennAITech
#0 - Using AI to Detect CG Burden in Clinical Conversations
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PI(s):
Nancy Hodgson, PhD, RN
Institution/Company:
University of Pennsylvania
AITC Affiliation:
PennAITech
#0 - WATCH: Warning Assessment and Alerting Tool for Cognitive Health
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PI(s):
Kyra O'Brien, MD, MSHP
Institution/Company:
University of Pennsylvania
AITC Affiliation:
PennAITech
#0 - Patient-centered Precision Medicine Lab Result Communication for Older Adults
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PI(s):
Catherine Sarkisian, MD, MSHS
Institution/Company:
UCLA
AITC Affiliation:
AITC
#0 - A Personalized Evolvable AI Tool For Real-Time Testing and Intervening AD/ADRD
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PI(s):
Chung-Yi Chiu, PhD | Mojtaba Khaliji, MS
Institution/Company:
University of Illinois Urbana-Champaign
AITC Affiliation:
JH AITC
#0 - Wearable in-shoe Sensors for Gait monitoring in NPH (Normal Pressure Hydrocephalus)
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PI(s):
Jefferson W. Chen, MD, PhD
Institution/Company:
UC Irvine Health
AITC Affiliation:
JH AITC
#0 - Machine Learning to Assess Skin Frailty in Older Adults
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PI(s):
Anne Lynn Chang, MD
Institution/Company:
Stanford University
AITC Affiliation:
JH AITC
#0 - Enabling Feeding Assistance in Alzheimer's & Related Dementias
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PI(s):
Jonathan Dekar | Zackory Erickson, PhD
Institution/Company:
DESiN LLC
AITC Affiliation:
MassAITC
#0 - Leveraging AI to Support Family Caregivers of People Living with Dementia
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PI(s):
Felipe Jain, MD | Finale Doshi-Velez, PhD
Institution/Company:
Massachusetts General Hospital
AITC Affiliation:
MassAITC
#0 - Determinants of Access to and Outcomes Following Specialized Palliative Care for Patients with AD/ADRD
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PI(s):
Emily Moin, MD, MBE | Scott Halpern, MD, PhD
Institution/Company:
University of Pennsylvania
AITC Affiliation:
PennAITech
#0 - mitoClock: AI-based mitochondria aging clock and aging biomarkers
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PI(s):
Hayan T. Lee, PhD
Institution/Company:
Fox Chase Cancer Center
AITC Affiliation:
JH AITC
#0 - Leveraging EHR and AI for High-Resolution ADRD Prevalence and Risk
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PI(s):
Kevin Konty, PhD
Institution/Company:
Apriqot Inc.
AITC Affiliation:
JH AITC
#0 - CAPTASK: Vision-Guided Context-Aware Task Assistance for Daily Activities
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PI(s):
Joyce Chai, PhD | Anson Kairys, PhD
Institution/Company:
University of Michigan
AITC Affiliation:
JH AITC
#0 - Continuous Monitoring of Alzheimer's Using Non-Invasive Wearable Sensing and AI
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PI(s):
Sean Montgomery, PhD
Institution/Company:
Connected Future Labs
AITC Affiliation:
JH AITC
#0 - Identifying Digital Biomarkers for Early Cognitive Impairment
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PI(s):
Anis Davoudi, PhD
Institution/Company:
Johns Hopkins University
AITC Affiliation:
JH AITC
#0 - Re-Kinesis: Wearable Gait Analysis Laboratory for Aging Populations
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PI(s):
Nitish Thakor, PhD
Institution/Company:
Johns Hopkins University
AITC Affiliation:
JH AITC
#0 - Smart Robot Guide for Daily Care in People with Memory Loss
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PI(s):
Fiona Yuan, PhD
Institution/Company:
Worcester Polytechnic Institute
AITC Affiliation:
JH AITC
#0 - Wearable Heart failure Socks for Exacerbation and Response to Treatment Monitoring
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PI(s):
Pamela Z. Cacchione, PhD, CRNP, RN
Institution/Company:
University of Pennsylvania
AITC Affiliation:
MassAITC
#0 - Biomarkers of Aging to Discover Geroprotectors in Cross-Sectional Biobank Data
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PI(s):
Jesse R. Poganik, PhD
Institution/Company:
Brigham and Women's Hospital
AITC Affiliation:
MassAITC
#0 - Contactless Cardiovascular Health Monitoring using AI-enabled mmWave Radar
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PI(s):
Justin Chan, PhD | Swarun Kumar, PhD
Institution/Company:
Carnegie Mellon University
AITC Affiliation:
MassAITC
#0 - Empowering Older Adults and Caregivers to Make Safe Nonprescription Medication Decisions
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PI(s):
Eun Kyoung Choe, PhD
Institution/Company:
University of Maryland
AITC Affiliation:
MassAITC
#0 - Voiceitt: AI-Enabled Speech Recognition for Older Adults with Severe Dysarthria
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PI(s):
Katie Seaver, MS, CCC-SLP
Institution/Company:
The Babel Group
AITC Affiliation:
MassAITC
#0 - AI-Driven Earpiece Wearable to Enhance Symptom Management, Self-Care, and Caregiver Support in AD/ADRD Patients
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PI(s):
Selina Zhu, ScD | Paolo Bonato, PhD
Institution/Company:
Lumia Health Inc. | Spaulding Rehabilitation Hospital Boston
AITC Affiliation:
MassAITC
#0 - AudioSight AI-Powered At-Home Hearing Screening for Older Adults
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PI(s):
Wenyao Xu, PhD
Institution/Company:
Auspex Medix LLC
AITC Affiliation:
MassAITC
#0 - Scalable LLM facilitation for peer-to-peer support groups of informal caregivers
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PI(s):
Gregory Stock, PhD, MBA | Hamed Zamani, PhD
Institution/Company:
Socratic Sciences Inc. | University of Massachusetts Amherst
AITC Affiliation:
MassAITC
#0 - A Generative AI clinical Chatbot to support APOE Testing (GRACE)
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PI(s):
Angela R. Bradbury, MD
Institution/Company:
University of Pennsylvania
AITC Affiliation:
PennAITech
#0 - A Synthetic Data Approach to Catalyzing Innovation in Dementia Caregiver Support
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PI(s):
Karla T. Washington, PhD, LCSW
Institution/Company:
Washington University in St. Louis
AITC Affiliation:
PennAITech
#0 - Tailored Nutrition
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PI(s):
Tina R. Sadarangani, PhD, RN
Institution/Company:
New York University Rory Meyers College of Nursing
AITC Affiliation:
PennAITech
#0 - AI-Assisted Wellbeing Support System for Family Caregivers of Dementia Patients
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PI(s):
Ravi Karkar, PhD
Institution/Company:
University of Massachusetts Amherst
AITC Affiliation:
PennAITech
#0 - AI-Integrated Nanowell Biosensors for Multimodal Detection of Neurological Biomarkers
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PI(s):
Reza Mahmoodi, PhD
Institution/Company:
University of Denver
AITC Affiliation:
PennAITech
#0 - StepAhead - Breaking Free from FoG with Augmented Reality
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PI(s):
Nipun Chopra, PhD
Institution/Company:
DexTech Inc.
AITC Affiliation:
PennAITech
#0 - Counterforce Health: AI-Powered Health Insurance Appeals for Older Adults
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PI(s):
Kathryn Pollak, PhD | Neal Shah
Institution/Company:
Duke University School of Medicine | CareYaya Health Technologies Inc.
AITC Affiliation:
PennAITech
#0 - Developing a Multi-Agent AI System for Explaining Lab Results to Older Adults
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PI(s):
Zhe He, PhD
Institution/Company:
Florida State University
AITC Affiliation:
PennAITech
#0 - Interpreting Cellular Signatures of Alzheimer's Disease: A Proposed Explainable AI Framework Using Single-Cell Foundation Model
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PI(s):
Hong Qin, PhD, MS |Yaping Feng, PhD| Shunian Xiang, PhD
Institution/Company:
Old Dominion University | Admera Health
AITC Affiliation:
PennAITech
#0 - WISE Connect AI Personalized Local Support for Aging in Place
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PI(s):
Marie Brodsky
Institution/Company:
WISE Connect
AITC Affiliation:
PennAITech
#0 - Transforming Frailty Assessment: At-Home, AI-Driven Approach to Detect Pre-Frail Decline
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PI(s):
Evan Haas, MSE
Institution/Company:
CurveAssure
AITC Affiliation:
JH AITC
#0 - AI-Enhanced Home Music Therapy with Wearables for Older Adults with Stroke
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PI(s):
Robert W. Nickl, PhD | Preeti Raghavan, MBBS
Institution/Company:
Johns Hopkins University
AITC Affiliation:
JH AITC
#0 - Caregiver-Guided Assistive Robot for Aging at Home
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PI(s):
Nilanjan Chakraborty, PhD
Institution/Company:
Stony Book University
AITC Affiliation:
JH AITC
#0 - Transcriptomic Gene Regulators from snRNA-seq Analysis Improves AutoML Prediction of Alzheimer's Disease
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PI(s):
Martin Nwadiugwu, PhD, MS, MA
Institution/Company:
Tulane University
AITC Affiliation:
JH AITC
#0 - Model Agnostic Prediction Infrastructure (MAPI) for Aging
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PI(s):
Chris White
Institution/Company:
PreSquared LLC
AITC Affiliation:
JH AITC

Sponsors

Partner with the a2 Collective

Join a national $65M initiative advancing innovation in aging and AI.

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Support

Fuel Innovation Impact

Sponsorship

For more information regarding sponsorship opportunities please contact Rose Li at rose.li@roseliassociates.com and/or Stephen Liu at s@a2collective.ai.

Become a Sponsor

We would like to thank the sponsors and supporting partners listed below. Please visit their websites to learn more about their initiatives.

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Location

Venue Details

The a2 National Symposium will be held on March 19–20 at the Johns Hopkins Bloomberg Center in Washington, D.C. Included below are some helpful details about the venue including information regarding parking and public transportation. 

Hopkins Bloomberg Center

Address:

555 Pennsylvania Ave, NW Washington, DC 20001

Telephone:

(202) 588-0597

Parking:

  • Garage Entrance: C Street NW (use “507 C Street NW” in GPS for accuracy)
  • Bloomberg Center Garage: Evening & weekend parking available; advance reservation recommended
  • Other Nearby Garages:
    • Colonial Parking Garage – 625 Indiana Ave NW (5-minute walk)
    • Atlantic Parking – 601 Pennsylvania Ave NW (3-minute walk)
    • District Center Garage – 555 12th Street NW (8-minute walk)
  • Note: Street parking is limited—please allow extra time for arrival.

Public Transporation:

  • Closest Metro Station: Archives–Navy Memorial–Penn Quarter Station (Green & Yellow Lines) – 4 min walk
  • Other Nearby Stations:
    • Judiciary Square Station (Red Line) – 7-minute walk
    • Federal Triangle Station (Blue, Orange & Silver Lines) – 10-minute walk
    • Gallery Place–Chinatown Station (Red, Green & Yellow Lines) – 10-minute walk
  • Bus Options: Multiple Metrobus routes serve Pennsylvania Ave NW—check WMATA app for real-time updates
  • Tip: SmarTrip cards or contactless payment accepted on Metro and bus
  • Johns Hopkins University Bloomberg Center 555 Pennsylvania Ave, NW Washington, DC 20001
  • Centrally located near the National Mall and major landmarks—easily accessible by Metro, bus, or rideshare.

Know before you visit

Experience Washington, D.C., in full bloom! March marks the city's stunning cherry blossom season, and it's a perfect backdrop as we gather to unlock the future of AI and AgeTech.

Places to visit

National Cherry Blossom Festival

Dates: March 20–April 12, 2026

Details: Celebrate spring in DC with parades, cultural performances, and the city’s iconic cherry blossoms. Perfect for attendees extending their stay.

Distance: ~2 miles (10 minutes by car or 25 minutes on foot)

Easiest Way to Get There: Walk or take Metro from Judiciary Square (Red Line) to Smithsonian Station

Georgetown Waterfront & The Wharf

Details: Enjoy an evening stroll or riverside dining after the symposium.

Distance: 2.5 miles (10–15 minutes by car)

Easiest Way to Get There: Take a rideshare or Metrobus (Route 38B) from 7th & Pennsylvania Ave NW to M St & Wisconsin Ave NW

Dining Ideas: Fiola Mare • Sequoia • La Vie

Smithsonian Museums & National Mall

Details: Explore DC’s most iconic attractions—all free to enter and open daily.

Distance: 0.7 miles (5–10 minutes by car or 15 minutes on foot)

Easiest Way to Get There: Walk straight down 7th Street NW or take Metro (Red Line) from Judiciary Square to Smithsonian Station

Must-See Highlights: National Museum of African American History and Culture • National Gallery of Art • National Air and Space Museum • U.S. Capitol and Library of Congress

Evening & Weekend Suggestions

• Friday Evening: Dinner in Penn Quarter or Chinatown (0.5 miles, 10-minute walk)

• Saturday, March 21: Cherry Blossom Festival or museum day

• Sunday, March 22: Brunch at Founding Farmers (1.2 miles, 7 minutes by car) or a relaxing stroll along the National Mall

Useful Links

Metro Trip Planner

DC Circulator Bus Routes

Registration

The 2026 a2 National Symposium has now concluded. A full recap of the symposium is now available. Event recordings will be posted to the a2 Collective website when available.