Who Are Your “Numbers Nerds”?
Aculist provides business analytics solutions for agents, brokers and real estate professionals. A wholly owned subsidiary of MLSListings, Inc, the MLS for Silicon Valley, Aculist Edge real estate intelligence products convert MLS data into valuable business and market insights.
Our team includes talented engineers, finance, product, marketing and sales professionals. The Aculist suite of products were born from engagement with agents, brokers and associations and designed and built by this world-class team.

Tom D’Arezzo
Sr. Product Manager
Raised in Silicon Valley, Tom has worked in technology his entire career, starting at Apple and including stints at Adobe, Palm, and several startups. Tom’s fascination with analytics and business intelligence began while working at an e-commerce site, Cafepress.com, where he was responsible for implementing website analytics to enable a detailed view of the customer’s journey through the site.
More recently Tom worked at FICO where he was the product manager for the FICO Score, introducing the FICO Score 8 in Canada and product managing the development of FICO Score 9, including close coordination of data samples with all 3 major US credit bureaus.
When Tom is not analyzing real estate data, charting and synthesizing data with his fellow Numbers Nerds, he enjoys biking, cooking and evaluating new services and technologies that improve life.

Michelle Ronco
Sr. Product Marketing Manager
Michelle is a Numbers Nerd who not only loves data, charts and graphs, but who also has a flair for marketing and sales. A degree in economics followed by an MBA with a focus in finance propelled Michelle into several years of financial planning, marketing and business development at Morgan Stanley and Santa Clara University.
Michelle spent nearly 13 years leveraging data and analysis to build personal leadership and board of director resources while taking roles in operations, sales and ultimately, becoming the Chief Marketing Officer at a corporate governance consulting firm, XCEO, Inc.
Joining Aculist in 2017, Michelle is developing product marketing strategies and executing business development plans within the real estate community. Michelle is working alongside the Aculist team to develop the best business analytics tools available in the industry.

Olga Ermolin
Sr. Engineering Manager
Olga’s passion for all things data, coupled with her strong mathematical background, are the foundation of her belief that data analytics is a key component to success in any industry. Her insight and dedication led to the development of the Aculist solution.
Olga is a nationally recognized, award-winning contributor to real estate data standards. Her work with the RESO (Real Estate Standards Organization) data dictionary workgroup has aided in the enablement of real estate organizations and vendors to exchange data seamlessly to the benefit of brokers, agents, and consumers.
As a Senior Engineering Manager, with a team of highly skilled engineers, Olga has led numerous data integration and data analytics projects as well as the development of business intelligence tools and solutions.
Olga is an avid skier in the winter and an amateur marathon runner the rest of the year.