Simon AI is a marketing intelligence company offering the Simon AI platform for automated ad optimization and predictive bidding. Founded in New York, it serves ecommerce and retail advertisers with real‑time campaign management and analytics.
Headquarters: New York, New York, United States
Website: http://www.simon.ai
Simon AI (formerly Simon Data) is a New York-based marketing technology company that operates an agentic marketing platform built around an AI-first, composable customer data platform (CDP). The company enables enterprise marketing teams to unify live customer and contextual data from cloud data warehouses and activate it for 1:1 personalized campaigns across email, mobile, web, and paid media channels. Originally incorporated as Simon Data Inc., the company rebranded to Simon AI in September 2025 to reflect its pivot toward agentic AI-driven marketing automation.
Simon AI operates in the customer data platform (CDP) and agentic marketing automation categories. Its core product is an AI-first, composable CDP that activates live customer and contextual data for 1:1 personalization at scale [1]. The platform's architecture is built around a zero-copy, warehouse-native model, meaning customer data remains in the brand's existing cloud data environment rather than being replicated to a proprietary store [3]. Key capabilities include a Personalization Studio for goal-based campaign planning, AI Fields for generating new customer attributes (such as churn risk scores), AI Moments for detecting real-world triggers like weather shifts or inventory changes, and Automation Agents that handle campaign execution [3]. The platform targets enterprise brands and fast-growing companies and positions itself as a solution that allows small marketing teams to operate at the scale of larger ones [4]. Notable named customers include ASOS, SeatGeek, Tripadvisor, JetBlue, Equinox, Venmo, and 1-800-Flowers [9][12].
The company was founded under the name Simon Data by Jason Davis, Joshua Neckes, and Matt Walker, with early prototypes developed around 2014 and a commercial launch in 2015 [21]. Davis, a former Google researcher and Director of Search & Data at Etsy, co-founded the company with the mission of making enterprise data accessible to marketers [6][21]. The company raised a Series A round led by .406 Ventures [57], followed by a $20 million Series B in July 2018 led by Polaris Partners with participation from .406 Ventures, F-Prime, and Commerce Ventures [57]. A $30 million Series C followed in 2019, again led by Polaris Partners [19]. In August 2023, the company closed a $54 million Series D round led by Macquarie Capital, with continued participation from Polaris, .406 Ventures, and F-Prime, bringing total disclosed funding to approximately $118–123 million [11][54]. In September 2025, the company rebranded from Simon Data to Simon AI alongside the launch of its Agentic Marketing Platform, signaling a strategic shift toward AI-first, agent-driven marketing orchestration [4].
Simon AI competes in the customer data platform (CDP) market and, following its 2025 rebrand, positions itself within the emerging agentic marketing automation category [4]. The company's vendor website lists recognition as a Gartner Cool Vendor in Multichannel Marketing (2023), a G2 CDP Leader with over 140 five-star reviews (2024), and an Elite Snowflake AI Data Cloud Partner (2025) [50]. Simon Data has held a G2 Leader ranking in the Customer Data Platforms category across multiple consecutive quarterly cycles, with the vendor's own blog posts citing Leader status across at least eight consecutive quarters through 2022–2023 [14][48]. The platform's warehouse-native architecture—originally built on Snowflake and extended to Amazon Redshift, Google BigQuery, and Microsoft Azure Synapse—is its core technical differentiator in a market where many CDPs rely on data replication [13]. Named enterprise customers at the time of the Series D announcement included JetBlue, BARK, TripAdvisor, WeWork, SeatGeek, Venmo, ASOS, and Equinox [12].
G2 identifies Twilio Segment, Bloomreach, and Blueshift as Simon AI's closest alternatives in the customer data platform category [31]. VentureBeat's coverage of Simon Data's Series D round listed Twilio, Bloomreach, Catalyst, and Klaviyo as players targeting the same space [12]. Tracxn identifies Twilio (Segment), Capillary Technologies, and Segment as top competitors [26]. Simon AI's warehouse-native, composable architecture places it in a distinct sub-segment of the CDP market, contrasting with packaged CDPs that store their own copies of customer data—a distinction CEO Jason Davis explicitly cited as a strategic differentiator in the 2023 Series D announcement [14]. Compared to Bloomreach, which bundles its CDP with search, content, and marketing automation, or Klaviyo, which targets e-commerce brands primarily through email and SMS, Simon AI focuses on large enterprises with existing cloud data infrastructure seeking to activate that data without replication or ETL overhead [13].