Our team

Meet the full Demex team—and a few of
our friends.

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Stephen Bennett

Chief Climate Officer

Steve is a weatherman-turned-entrepreneur whose 25-year career includes working for The Weather Channel and the Scripps Institution of Oceanography, as well as founding EarthRisk Technologies. Steve’s mission is to bridge the gap between climate volatility and business operations.  Steve is a human companion for Demex’s Dog Pound in Raleigh.

Ed Byrns

President and CEO

Ed is the founder and mastermind of The Demex Group. He has spent more than 20 years working in commodity and weather markets and holds a PhD in Engineering and a MS in Economics. Before Demex, Ed served for seven years as Chief Technology and Innovation Officer of Munich Re Trading. Ed’s assistant, Mr. Darcy, vigilantly protects him from the wild animals that roam the Maryland countryside.

Arielle Catalano

Director of Business Analytics

With 14 years of climate research experience under her belt, Arielle specializes in data analysis and interpretation, which she uses to fuel her passion for communicating climate and weather risks.  Her steadfast companion, Rafiki, patrols the perimeter of team video calls originating in northern New Jersey.

Hui Chen

Software Engineer

With over seven years as a software engineer, Hui designs and develops the underpinnings of the Demex Solutions Center. His feline companion, Mocha, is known for glamour shots that adorn the walls of the Demex office.

Daniel Falvey

Demex Advisor

Dan is a Principal at Black Birch Advisors. He works with the Demex team to originate, identify and craft unique solutions for new Demex customers across the marketplace.


Ruth Foxe-Blader

Demex Board

Ruth is a Partner at Anthemis, a leading global venture capital firm focused on cultivating change in financial services by investing in, growing, and sustaining businesses committed to improving the world.

Sasha Giacoppo

Demex Advisor

Sasha is Head of Product Design at Visible Alpha. He has spent more than 15 years in product design, UX and digital transformation. Sasha leverages his expertise to help bring Demex’s design and user experience efforts to life.

Larry Gloeckler

Principal Data Engineer

Larry joined Demex with a PhD in Climate Science and over five years experience building applications that link climate to corporate supply chains. He operates at the tip of the Demex weather-dataverse for risk pricing, structuring and transacting. Since he’s a former UAlbany Great Dane, Mocha and Tokyo tend to avoid his meetings.

Dominic Hernandez

Climate Resilience Associate

Dominic’s mastery of Weather Intelligence and Risk Management, stems from his graduate studies at Millersville University. He’s the resident Demex Genius focused on analyzing and communicating climate resilience solutions across Demex markets.  Dom’s assistant, Roki, keeps the Raleigh office longing for a midmorning nap.

Andrew Janke

Director of Quantitative Systems

Andrew brings his extensive and specialized experience in FinTech to Demex. He develops quantitative analytic platforms that integrate multiple technologies and programming languages.  Andrew is personal assistant for two cantankerous felines that exhibit the New York State of mind.

Matthew Jones

Demex Board

Matthew is a principal at Anthemis focused on early-stage investments in insurance and risk management-related technology.

Jennifer Kafka

Director of Analytics

Jenny draws on more than 6 years of experience in atmospheric science to drive the links between weather, climate, and risk pricing. When she’s not at her keyboard you’ll find her scaling the Rocky Mountains.  Tokyo and Fluff are her feline assistants, one of whom contributes key substance for many team meetings and one of whom is just angry.

Ken Konecki

Head of Engineering

Ken is a technologist who draws on 30 years of experience in finance to lead our team of software engineers. He architects the Demex Solutions Center and builds innovative products at scale. Previously, he spent several decades in FinTech working at Citadel Investment Group.  His canine officemate, Dutch, is pretty darned limber.

Bruce Macdonald


Bruce’s career has spanned decades in financial services, with expertise in capital markets and commodities. He spent 38 years at Royal Bank of Canada, most recently as the head of the Commodities and Discretionary Capital Group for RBC Capital Markets. Bruce is currently Chairman of the Canadian Depository for Securities Limited (CDS) and has been a member of the Board since 2006.  Bruce comes to Demex as an advisor on commodities, risk, and technology.

Madeline McFarland

Data Analyst

Madeline is part of the “connective tissue” of Demex. She spends her time deep in the matrix of company decisions and internal data analysis. She has prior experience in economic consulting and holds bachelor’s degrees in economics and history from Williams College.


Stuart Mercer

Demex Advisor

Stuart is the CEO and Founder of Ventus Risk. He contributes decades of industry experience as an advisor to Demex with a unique career that spans both the re/insurance and capital market arenas. Stuart was a cofounder of Validus Re and the CEO of AlphaCat ILS Fund.

Carlos A. Oliveras

Head of Insurance

Carlos brings over 25-years of global leadership experience from within the insurance, brokerage, and reinsurance marketplace. He drives our growth and strategy in property & casualty insurance, reinsurance, brokerage, and alternative market structures including captive insurance.

Kevin Paley

Demex Advisor

Kevin is a risk specialist who is one half of the founding vision behind Demex Markets. For 20 years Kevin has translated complex data into groundbreaking insights. He leads channel development as well as broker and customer partnerships. Previously, Kevin worked in a variety of commodity trading roles, most recently as the Global Head of Commodities at the Royal Bank of Canada.


Matt Perlman

Demex Board

Matt is a partner at IA Capital Group dedicated to working with innovative entrepreneurs in venture and growth capital investments in the insurance technology and financial technology spaces.

Kieran Scannell

Software Engineer

Kieran is a physicist turned software engineer who appreciates the Demex critical thresholds for cold weather. Hailing from upstate Minnesota, he’s a recent college graduate building the Demex Solutions Center.

Taylor Sipple

Head of Product

After spending seven years at Bridgewater Associates, Taylor joined Demex to lead business intelligence across sales, analytics and technology development. He doesn’t forecast the weather, but he certainly takes advantage of it as an avid skier and surfer. Taylor is also the human-assistant for his buddy Archie who might be an Ewok pretending to be a canine.

Matt Thomas-Wicher

Front-End Designer & Engineer

Matt leads brand creativity, from research and prototypes to code and customer experience. He views things through a design lens and ensures that Demex products empower the Demex ecosystem. Micah is his canine creative consultant.

Chuck Whitlock

Demex Advisor

Chuck is a strategist who leads core initiatives across all market verticals and is the other half of the founding vision behind Demex Markets. Chuck’s 25-year career spans operations, energy trading and risk management, strategy execution and business incubation.

Clarence Yuan

Client Fulfillment Associate

With more than five years of experience in sales and marketing, Clarence develops content that explains Demex solutions to clients. His leafy office mate is a trusted travel companion.