Meet our Analysts

Katy Ring

Katy Ring

Research Director, IT Services - London, UK
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Dr. Katy Ring is a Research Director for IT Services at 451 Research. In this role, she covers consultancies, system integrators and outsourcing companies applying advanced technologies to deliver digital transformation services. Katy has more ... read more

Simon Robinson

Simon Robinson

Senior Vice President, Research - London, UK

Simon Robinson is responsible for managing the 451 Research analyst team, shaping the overall research agenda and driving the firm’s short-form and long-form research reports. Simon’s own coverage focuses on infrastructure topics, including storage, c ... read more

Owen Rogers

Owen Rogers

Research Vice President, Cloud Transformation - London, UK
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As Research Vice President, Owen Rogers leads the firm's Digital Economics Unit, which serves to help customers understand the economics behind digital and cloud technologies so they can make informed choices when costing and pricing their own products an ... read more

Liam Rogers

Liam Rogers

Associate Analyst - Boston, MA

As an Associate Analyst in 451 Research’s Applied Infrastructure & DevOps Channel, Liam Rogers covers technology and business-model innovation across the enterprise storage landscape. His coverage includes hyperconverged infrastructure, software-def ... read more

Krishna Roy

Krishna Roy

Senior Analyst, Data Science & Analytics - London, UK
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As a Senior Analyst for the Data, AI & Analytics team, Krishna Roy is responsible for the coverage of self-service analytics, predictive analytics and performance management. Prior to joining 451 Research, Krishna held a number of position ... read more

James Sanders

James Sanders

Analyst, Cloud Transformation - Seattle, WA
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James Sanders is an Analyst with the Cloud Transformation team at 451 Research. Prior to joining 451 Research, James worked as a technology journalist at CBS Interactive, covering cloud computing, open source software and hardware, programming trends, qua ... read more

Jonathan Schroth, CFA

Jonathan Schroth, CFA

Analyst - Boston, MA

Jonathan Schroth is an Analyst on the Datacenter Infrastructure & Services team. His research focuses on datacenter economics and valuation as well as geographical coverage of markets including New York, Toronto, Montreal, and Chicago.Prio ... read more

Aaron Sherrill

Aaron Sherrill

Senior Analyst, Information Security - Knoxville, TN
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Aaron Sherrill is a Senior Analyst for 451 Research covering emerging trends, innovation and disruption in the Information Security channel with an emphasis on service providers. Aaron joined 451 Research after serving as Vice President of In ... read more

Tim Stammers

Tim Stammers

Senior Analyst, Storage - New York, NY

Tim Stammers is a Senior Analyst at 451 Research, where he covers flash- and disk-based primary storage. Before joining 451 Research in 2013, Tim was Senior Storage Analyst at Ovum. He has over 20 years of experience as an IT industry analyst ... read more

Jonathan Stern

Jonathan Stern

Senior Research Associate - Boston, MA
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Jonathan Stern is a Senior Research Associate at 451 Research, where he covers the Internet of Things market with an emphasis on autonomous vehicles, connected cars, and the future of mobility. Prior to joining 451 Research, Jonathan graduated from Duke U ... read more

Dan Thompson

Dan Thompson

Research Director - MTDC - Knoxville, TN

As a Research Director for 451 Research, Dan Thompson provides insight into the Multi-Tenant Datacenter (MTDC) market space. Dan is particularly focused on MTDCs that are trying to move up the stack to offer additional services beyond colocation and conne ... read more

Johan Vermij

Johan Vermij

Analyst, Internet of Things - London, UK
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Johan Vermij is an analyst for the Internet of Things practice at 451 Research. He covers the smart energy vertical, including renewables, oil & gas. Prior to joining 451 Research, he has worked as an IoT practitioner, managing innovation ... read more

Stefanie Williams

Stefanie Williams

Analyst - Kansas City, MO

Stefanie Williams joined 451 Research in April 2011. She is a member of the Multi-Tenant Datacenters team, covering North America and Australia. Her key research areas include state and local level incentives and compliance, including FedRAMP, HIPAA, ISO, ... read more

Kenji William Yonemoto

Kenji William Yonemoto

Senior Research Associate - San Francisco, CA

Kenji Yonemoto is a Senior Research Associate with 451 Research, where he covers the firm's financial analysis of technology mergers and acquisitions. He also contributes to 451 Research's private company database. A Bay Area native, Kenji beg ... read more

Csilla Zsigri

Csilla Zsigri

Senior Analyst - Blockchain & Distributed Databases - Barcelona, Spain
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Csilla is a senior analyst for 451 Research’s Data, AI & Analytics channel. She currently focuses on decoding the blockchain market to help replace confusion and complexity with an examination of the technology, the competitive landscape and availab ... read more

Greg Zwakman

Greg Zwakman

Vice President, Market and Competitive Intelligence - San Francisco, CA

As Vice President, of Market and Competitive Intelligence, Greg oversees the development and maintenance of the company's Market Monitor product line. The Market Monitor provides market sizing, share and growth forecasts for emerging enterprise technology ... read more

Brett Azuma

Brett Azuma

Executive Vice President, Chief Research Officer - San Francisco, CA

Brett Azuma is Executive Vice President, Chief Research Officer for 451 Research. He provides leadership, direction and operational management for the company's analyst team. This includes overseeing the research agenda and analyst process ensuring that 4 ... read more

Michael Barry

Michael Barry

Senior Consulting Associate - Boston, MA

Michael Barry is a Senior Consulting Associate with the Advisory team at 451 Research where he is responsible for the management and delivery of consulting and custom market research engagements. Before joining the Advisory team, Michael was a 451 Researc ... read more

Sierra Carstensen

Sierra Carstensen

Research Associate - Dallas, TX

Sierra works as a Research Associate for the 451 M&A KnowledgeBase. On a daily basis, she collects, analyzes and processes company and financial data related to technology mergers and acquisitions. She also assists in the publicati ... read more

Paul Carton

Paul Carton

Research Vice President - Bethesda, MD

Dr. Paul Carton co-founded the ChangeWave Research operation in 2000 and oversees all of its components, including data analysis and research report writing. He has an extensive background in online survey research and the development of Internet research ... read more

Jill Cetel

Jill Cetel

Director, Project Management - Boston, MA

Jill Cetel serves as Director, Project Management in 451 Research's Advisory team, a consulting division of 451 Research. She is responsible for the management and delivery of consulting and custom market research engagements. These engagements span verti ... read more

Tracy Corbo

Tracy Corbo

Senior Research Manager - Boston, MA

Tracy Corbo is a Senior Research Manager for 451 Research. She has several years of experience in the computing industry, primarily as an industry analyst and on the vendor side working on competitive analysis. Prior to joining 451, Tracy work ... read more

Rachel Dunning

Rachel Dunning

Research Associate - Boston, MA

Rachel Dunning is a Research Associate at 451 Research. Prior to joining 451 Research, she graduated from Fitchburg State University Magna Cum Laude with a BS in Cognitive Psychology and Economics. While attending school, she gained exposure t ... read more

Marissa Fohlin

Marissa Fohlin

Project Manager, Advisory Services - Boston, MA

Marissa Fohlin serves as Project Manager in 451 Research’s Advisory team, a consulting division of 451 Research. She is responsible for the management and delivery of consulting and custom market research engagements. These engagements span verticals an ... read more

Kathleen Frodyma

Kathleen Frodyma

Associate Analyst - San Francisco, CA

Kathleen Frodyma is an Associate Analyst in 451 Research's Quantitative Services group. She assists in the development and maintenance of the company's Market Monitor product line, which provides market sizing, share and growth forecasts for emerging ente ... read more