The Los Angeles firm starts with a blunt premise: a minority of customers often creates nearly all the profit. Its answer combines an investment-grade audit, live customer intelligence and an outsourced growth team built to act on the findings.
Mars United Commerce spent 50 years learning how people actually shop. In 2024, Publicis paid a reported $600 million to own that knowledge.
The Illinois agency sells an increasingly rare commodity in digital marketing: a single team accountable for discovery, clicks and conversion. Its pitch is built on tailored strategy, visible reporting and a stubborn preference for revenue over activity.
Most companies do not need another AI demo. Artefact has built a 2,500-person consulting business around the less glamorous job of turning scattered data, stubborn workflows and wary employees into systems that get used.
Grayson Lafrenz started a cleaning company, hired an SEO agency he couldn't understand, and brought the work in-house. What grew out of that frustration now runs roughly $800 million in ad spend through software Power Digital wrote itself.
Online Marketing Gurus built a sizeable agency by selling the thing digital marketing often misplaces: a straight line from activity to revenue. Its answer is equal parts specialist labor, disciplined measurement and a dashboard called Gurulytics.
Affiliate marketing gets messy the moment a click becomes a customer. Everflow built a profitable, bootstrapped software company by following that journey farther - through repeat purchases, partner payouts and the placements that actually earn their keep.
The Brazilian firm does not want to be judged by clever ads. Its pitch is more mechanical: find the leak in a company’s sales system, assign a specialist team and measure whether revenue moves.

At JLL, an engineer-turned-CMO is treating trust as an asset, AI as a working tool, and marketing as a discipline that should be able to show its math.

From a neighborhood reading garden to mobile ATMs dispensing tacos, KeyBank's chief brand officer has built a career around one durable idea: institutions earn attention by showing up in people's actual lives.
The independent agency built its name buying digital ads. Its next act is harder: proving which dollars actually caused growth, and exposing the ones that did not.
Acxiom began with mailing lists and one computer in Arkansas. Today, its identity layer helps global brands decide when scattered signals belong to the same person - and how to act on that knowledge without losing control of the data.
DoubleVerify turned a basic question - did a real person see the ad? - into a global measurement business. Now its software is moving beyond policing impressions to steering campaigns, just as Nielsen prepares to take it private.

By day, Shana Sood turns customer signals into clearer financial choices. By night, she paints the memories and migrations that data cannot hold.

At Northern Trust, Kelly Mannard turned a quiet institutional name into a measurable global brand - while keeping relationships and community work at the center of the job.
Michael Mauro is a Harvard undergraduate economics student from Long Island who has turned campus life into a business education. He helps run marketing at Harvard Student Agencies, the world's largest student-run company, works as a consulting manager for its summer Academies, and co-presides over the Harvard Undergraduate Economics Association. He plays club ice hockey, is aiming for law school, and has collected passport stamps from two dozen countries along the way.
Renee Halvorsen is the Chief Marketing Officer of Marine Layer, the San Francisco apparel brand known for absurdly soft t-shirts and a laid-back California outlook. A Yale-trained economist who began her career in finance and investment banking, she has spent the better part of a decade at Marine Layer, helping grow the business more than tenfold by treating marketing as a blend of art and science and treating customer lifetime value as the metric that matters most. Before Marine Layer she sharpened her craft in strategy and analytics roles at Gap Inc. and Athleta.
Peec AI is a Berlin-based software company that helps marketing teams measure and improve how their brand shows up in AI-generated answers. Its platform tracks a brand's visibility, ranking, sentiment and cited sources across ChatGPT, Perplexity, Gemini, Google AI Overviews and other generative engines, then recommends prompts and strategies to close gaps. Founded in early 2025 by Marius Meiners, Tobias Siwonia and Daniel Drabo, the company reached roughly $10M ARR within its first year and raised a $21M Series A led by Singular in November 2025.
Polar Analytics is a multichannel AI analytics platform for ecommerce and direct-to-consumer brands, built to unify scattered marketing, sales and CRM data into one dashboard on top of a warehouse-native data stack. Founded in 2021 by David Dokes and Charbel Seif, it centralizes 45+ data sources, tracks metrics like CAC, ROAS, MER and LTV, and layers AI agents and a Model Context Protocol connector so merchants can query live data and act on it. Polar serves 4,000+ brands across 45 countries and has raised roughly $28.5M, including an $18M Series A led by Chalfen Ventures in November 2024.
Tracer is a New York-based collaborative data intelligence platform that aggregates, normalizes, and enriches data from any source - ad platforms, sales systems, commerce, and finance - into a governed, unified layer that non-technical teams can query in real time. Incubated inside VaynerMedia starting in 2015 and spun out as an independent company in 2021, Tracer positions itself as 'the intelligence layer for AI-driven enterprises,' serving more than 200 customers including Sanofi, Papa Johns, Conde Nast, and Headspace. The company has raised roughly $30M-$58M across rounds, including an oversubscribed $18.1M Series A in August 2023.
Jeffrey Nicholson is the CEO and co-founder of Tracer, a New York-based data intelligence platform that turns fragmented, siloed marketing and business data into unified real-time insight. He built Tracer with CTO Leighton Welch inside VaynerMedia, where he served as the agency's first Chief Media Officer and grew the media department to roughly 250 people worldwide alongside Gary Vaynerchuk. A Babson-trained entrepreneur with more than 15 years across advertising, media, and technology, Nicholson went full-time as Tracer's CEO in January 2020 and has since raised a Series A round. He also founded the education venture NicholNotes and advises Roku, Pinterest, and Nextdoor.
BlueOcean is a San Francisco-based AI company that builds brand and marketing decision intelligence for large enterprises. Founded in 2019 by former agency marketers Grant McDougall and Liza Nebel, it pulls from thousands of public data sources to tell marketing leaders how their brand is performing against competitors in near real time. In 2025 the company shipped Spark, a marketing-specific agentic AI platform built on Amazon Bedrock, which early adopters like AWS, Cisco, Microsoft, Intel, Roche and SAP say cut certain operational tasks by up to 97%. BlueOcean raised a $30M Series B led by Insight Partners in 2022 and has worked with brands representing trillions of dollars in market value.
Switchboard Software is a San Francisco-based enterprise data platform built by the team that launched Google BigQuery. It automates the messy work of collecting, transforming, blending and validating high-volume revenue and marketing data, then publishes trustworthy datasets into cloud warehouses like BigQuery and Snowflake. Marketing, revenue and data teams at media and publishing companies use it to stand up analytics and AI projects without waiting on scarce engineering resources.
Truthset is an Oakland-based data intelligence company that validates the accuracy of consumer data used in marketing and advertising. Its patented TruthScore methodology assigns a 0-100% likelihood that any given data attribute about a person is actually true, letting brands, agencies, and data providers buy and activate audiences rated by accuracy instead of guessing. Truthset explicitly does not sell data or act as a broker - it positions itself as an independent arbiter of truth for a market where consumer data can carry up to 60% error.
Upwave is a San Francisco-based marketing analytics company that measures whether brand advertising actually works. Its enterprise platform tracks Brand Lift, validates brand reach, and surfaces optimization opportunities across CTV, digital, social, streaming audio, retail media and linear TV in a single real-time dashboard. Founded in 2012 as Survata and rebranded to Upwave in 2020, the company gives the world's biggest brand marketers - Unilever, Clorox, Verizon, American Express, T-Mobile and others - a scientific read on top-of-funnel metrics like awareness, consideration and its proprietary Purchase Propensity metric.
Will Holtz runs strategy and operations at Prescient AI, the marketing mix modeling platform that tells omnichannel brands where the next dollar should go. He listed as Interim CEO on the company page and VP of Strategy & Operations across recent profiles - a range of hats at a fast-moving Series A startup. A Cornell economics-and-psychology grad with a Wharton MBA, he started in finance at Morgan Stanley and Soros Fund Management before spending a decade in the trenches of DTC operations at Recess, Grove Collaborative, SourceMedium and his own ventures. On the side he co-founded and hosts Don't V*LOOKUP, a podcast about how the best operators actually use their data.
Omneky is a San Francisco generative-AI platform that automatically produces, tests, and optimizes advertising creative - image, video, and UGC-style spokesperson ads - and launches campaigns across Meta, Google, TikTok, LinkedIn, and Reddit. Founded in 2018 by Hikari Senju, it was one of the earliest movers in applying generative AI to advertising, using computer vision and multimodal analysis to predict which creatives will perform and to close the loop between making ads and measuring them. The company has since pivoted toward 'agentic' AI advertising agents that set campaign goals, execute subtasks, and reallocate budget across channels.
Podscribe is an independent, IAB-certified measurement platform built for podcast and audio advertising. Founded in 2017 by engineer Pete Birsinger and headquartered in Austin, Texas, it began as a podcast transcript-search tool and grew into a full-funnel measurement suite. The platform combines pixel-based attribution, incrementality testing, automated placement verification, and cross-channel analytics across podcasts, streaming audio, YouTube simulcasts, CTV, and broadcast radio - helping advertisers, agencies, and publishers prove that audio ads actually drive conversions.
Northbeam is a San Francisco-based, machine-learning marketing measurement platform built for direct-to-consumer and ecommerce brands. It stitches together multi-touch attribution, media mix modeling, and incrementality testing so marketers can see what their ad spend actually drives in revenue - across Meta, TikTok, Snap, Google, and beyond - in a privacy-changed, cookie-thin world. Founded in 2019 by Austin Harrison and Dan Huang, the company helps growth teams move budget with confidence instead of guessing.
Abraham Parangi is the co-founder and co-CEO of Akkio, a Cambridge, Massachusetts AI company that builds no-code predictive and generative analytics for media agencies and businesses. A Cornell-trained computer scientist who has worked on everything from missile guidance systems to iPhone ad technology, Parangi co-founded Akkio in 2019 with the goal of putting machine learning in the hands of people who do not write code. The company has raised $18M, including a $15M Series A led by Bain Capital Ventures in 2023, and now powers AI media-planning systems used across the global advertising ecosystem.