Brian Riordan
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Brian Riordan Email & Phone Number

AI/ML/NLP Scientist/Engineer | Technical Leader at Cisco
Location: New York City Metropolitan Area, United States, United States 7 work roles 4 schools
1 work email found @ets.org LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Work email b****@ets.org
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Current company
Role
AI/ML/NLP Scientist/Engineer | Technical Leader
Location
New York City Metropolitan Area, United States, United States
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Who is Brian Riordan? Overview

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Quick answer

Brian Riordan is listed as AI/ML/NLP Scientist/Engineer | Technical Leader at Cisco, a company with 94888 employees, based in New York City Metropolitan Area, United States, United States. AeroLeads shows a work email signal at ets.org and a matched LinkedIn profile for Brian Riordan.

Brian Riordan previously worked as Principal AI Engineer / Applied Scientist (NLP) at Outshift By Cisco and Senior NLP Research Scientist at Ets. Brian Riordan holds Ph.D., Computational Linguistics, Cognitive Science from Indiana University Bloomington.

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{first_initial}{last}@ets.org
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Profile bio

About Brian Riordan

I'm an enthusiastic and collaborative AI/ML/NLP scientist/engineer focused on real-world applications of generative AI, natural language processing, and machine learning. I have 15+ years hands-on experience in developing novel GenAI/ML solutions for a diverse set of domains and problems. I’m an experienced agile R&D technical leader with a strong track record of delivering tangible results.

Listed skills include Machine Learning, Natural Language Processing, Computational Linguistics, Artificial Intelligence, and 11 others.

Current workplace

Brian Riordan's current company

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Cisco
Cisco
AI/ML/NLP Scientist/Engineer | Technical Leader
New York City Metropolitan Area
Website
Employees
94888
AeroLeads page
7 roles · 26 years

Brian Riordan work experience

A career timeline built from the work history available for this profile.

Role listed

New York City Metropolitan Area

Principal Ai Engineer / Applied Scientist (Nlp)

Current
Outshift By Cisco

Applied science and ML engineering management; hands-on generative AI R&D and production ML; generative AI strategy

2023 - Present ~3 yrs 4 mos

Senior Nlp Research Scientist

Ets

Princeton, NJ, US

Main focus: Led ETS R&D on deep learning and LLMs for natural language understanding (NLU) in education.Led R&D and deployments to production (both hands-on development and project leadership): - Applications of LLMs: Early-stage R&D on efficient fine-tuning, instruction tuning and reinforcement learning, retrieval-augmented LLMs (RAG), reasoning, applying.

2021 - 2023 ~2 yrs

Nlp Research Scientist

Ets

Princeton, NJ, US

Main foci:- Carried out deep learning R&D for edtech applications including: short answer scoring, question generation- Served as lead scientist for ETS c-rater content scoring system- Set a SOTA on the ASAP-SAS short answer scoring datasetR&D focus areas: - NLP: short answer scoring, essay scoring, information extraction, sequence labeling / token.

2015 - 2021 ~6 yrs

Ml/Nlp Research Scientist And Product Lead, Text Analytics

Woburn, MA, US

Main focus: Machine learning and NLP in diverse defense and intelligence applications. Led numerous R&D projects, carrying out both hands-on development and project leadership: - Secured more than $8 million in external research funding; served as Principal Investigator or lead algorithm developer on all projects - Clients included Defense Advanced.

2009 - 2015 ~6 yrs

Postdoctoral Researcher

Bloomington, Indiana, US

R&D focus areas: - NLP: representation learning for NLP - ML: Bayesian statistics, generalized linear mixed models (GLMMs), latent factor models (topic models)

2007 - 2009 ~2 yrs
Team & coworkers

Colleagues at Cisco

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4 education records

Brian Riordan education

Ph.D., Computational Linguistics, Cognitive Science

Indiana University Bloomington

B.A., Linguistics, Anthropology, East Asian Studies

New York University

M.A., Computational Linguistics

Indiana University Bloomington

Education record

Waseda University
FAQ

Frequently asked questions about Brian Riordan

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What company does Brian Riordan work for?

Brian Riordan works for Cisco.

What is Brian Riordan's role at Cisco?

Brian Riordan is listed as AI/ML/NLP Scientist/Engineer | Technical Leader at Cisco.

What is Brian Riordan's email address?

AeroLeads has found 1 work email signal at @ets.org for Brian Riordan at Cisco.

Where is Brian Riordan based?

Brian Riordan is based in New York City Metropolitan Area, United States, United States while working with Cisco.

What companies has Brian Riordan worked for?

Brian Riordan has worked for Cisco, Outshift By Cisco, Ets, Aptima, Inc., and Indiana University.

Who are Brian Riordan's colleagues at Cisco?

Brian Riordan's colleagues at Cisco include Jijo Daniel Winston, James Neufeld, Jiaoying Xie, Rayala Avinash, and D Anusha D Anusha.

How can I contact Brian Riordan?

You can use AeroLeads to view verified contact signals for Brian Riordan at Cisco, including work email, phone, and LinkedIn data when available.

What schools did Brian Riordan attend?

Brian Riordan holds Ph.D., Computational Linguistics, Cognitive Science from Indiana University Bloomington.

What skills is Brian Riordan known for?

Brian Riordan is listed with skills including Machine Learning, Natural Language Processing, Computational Linguistics, Artificial Intelligence, Statistics, Text Analytics, Human Computer Interaction, and Sentiment Analysis.

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