Top 25 B2B Data Stack Voices of 2026

'Godfather of Martech.' Creator of the Marketing Technology Landscape (15,000+ tools in 2025), the most referenced visual in martech history. VP Platform Ecosystem at HubSpot. CS from Columbia and Harvard, MBA from MIT. His chiefmartec.com blog and annual MarTech Conference define how the industry thinks about tool selection.

Runs Growth Unhinged newsletter (11K+ subscribers). Operating Partner at OpenView. Publishes the annual State of B2B GTM report. His analysis of SaaS pricing, PLG strategy, and tool adoption data is required reading for anyone evaluating B2B data tools. The most data-driven voice on how GTM tools should be priced and packaged.

1.1M+ LinkedIn followers. Co-founded HubSpot, the CRM platform that 200,000+ companies run their data stack on. Author of 'Inbound Marketing.' Writes the Connecting Dots newsletter on entrepreneurship, SaaS, and AI. His recent work on AI agents and the future of CRM shapes where the entire B2B data stack is heading.

Created dbt (data build tool), used by 80,000+ teams. Pioneered the 'analytics engineering' discipline. Central figure in the modern data stack movement. His vision of the data warehouse as the center of the B2B tech stack, not the CRM, is reshaping how companies think about their data infrastructure.

The most influential voice on product-led growth strategy. Held growth leadership roles at Miro, Amplitude, and SurveyMonkey. Her frameworks on PLG, community-led growth, and growth loops define how B2B companies structure their tool stack around user behavior data.

Built SaaStr into the world's largest B2B SaaS community. Managing Director of $90M SaaStr Fund. Former CEO of EchoSign (acquired by Adobe). The go-to voice for B2B SaaS scaling from $0 to $100M ARR. His content on SaaS metrics and GTM strategy shapes how thousands of companies buy and build their tool stacks.

The most data-driven VC in B2B SaaS. His blog at tomtunguz.com has analyzed SaaS metrics, GTM strategies, and tool adoption patterns for over a decade. Worked with 8 unicorns in data infrastructure (Looker, Monte Carlo, Dremio). Co-author of 'Winning with Data.' His benchmarking data shapes how the industry evaluates tools.

Co-founded Marketo (created marketing automation) and Engagio (ABM). Now at Demandbase. Two of the most important B2B data tools of the last 15 years trace back to him. His content on data-driven marketing, ABM orchestration, and the evolution of B2B buying is foundational to the entire category.

Co-founded Terminus (ABM platform) and GTM Partners. Author of 'MOVE' and 'ABM is B2B.' Defined Account-Based Marketing as a category and evolved it into GTM strategy. His work shaped how B2B teams think about their data and targeting infrastructure.

The most influential analytics writer working today. His Substack covers data tools, analytics processes, and the modern data stack debate with sharp, contrarian takes. Co-founded Mode Analytics. Now Field CTO at ThoughtSpot. If you want to understand where data infrastructure is heading and what's overhyped, read Benn.

Five-time founder. Built Drift into the conversational marketing category leader (acquired by Vista Equity). Previously CPO at HubSpot. Created the 'conversational marketing' category. His content on product-led growth, B2B buying behavior, and the death of forms shaped how companies think about their GTM stack.

Founded Sales Hacker (acquired by Outreach), the largest B2B sales community. Now runs GTMfund, a VC fund investing in GTM tools. His perspective on the B2B sales tool stack from both operating and investing sides is unique.

Built Hightouch, the reverse ETL platform that turned the data warehouse into a marketing activation layer. His vision of composable CDP architecture changed how B2B teams think about their data infrastructure. The warehouse-native data stack starts with Hightouch.

Author of 'Obviously Awesome' on B2B product positioning. Worked with 300+ tech companies including Google, Epic Games, Postman. 25 years as VP Marketing. Essential for anyone in the data stack evaluating how tools position themselves and whether the positioning matches reality.

100K+ LinkedIn followers. Pioneer of 'dark social' B2B strategy. His demand generation frameworks and vocal criticism of attribution models shaped how B2B teams think about what their data tools can and can't measure. Now building GTM analytics at Passetto.

Co-built Clay into a $3.1B valuation GTM data enrichment platform used by 10,000+ companies. Describes Clay as the 'IDE for GTM.' Builds in public on LinkedIn. Clay sits at the center of the modern B2B data enrichment stack, and Varun's content shows how the pieces fit together.

Co-founded Segment, the customer data platform acquired by Twilio for $3.2B. Segment defined the CDP category and how B2B teams collect, unify, and route customer data. His writing on data infrastructure is still the reference architecture for most B2B data stacks.

Former 6sense CMO. Author of 'No Forms. No Spam. No Cold Calls.' Her advocacy for intent data, predictive analytics, and eliminating forms from B2B marketing shaped how an entire category of data tools (6sense, Bombora, G2) is positioned and used.

VP Marketing at SparkToro and one of the sharpest voices on audience research data. Her content on audience intelligence tools, zero-click marketing, and the limitations of traditional marketing data stacks challenges conventional thinking about B2B data.

Co-founded Moz (SEO tools) and SparkToro (audience research). His candid content on what's wrong with B2B marketing data, attribution, and tool bloat resonates with anyone frustrated by their overbuilt, underperforming tech stack. The anti-bloat voice.

Author of 'Predictable Revenue,' the book that created the SDR/BDR model and drove adoption of outbound data enrichment tools. His framework for specializing sales roles created the demand for the entire B2B data enrichment category (ZoomInfo, Apollo, Lusha).

Co-founded MKT1, a marketing advisory firm and newsletter. Former VP Marketing at Asana and Carta. Her frameworks on marketing team structure, budgeting, and tool selection help B2B marketing leaders make data-driven stack decisions.

'Godfather of Customer Success.' Ran Gainsight for 13 years, defining the CS category and the post-sale data infrastructure that retention teams depend on. Now advises via Stage 2 Capital. Essential voice on the data stack beyond acquisition.

Former CRO of HubSpot. Author of 'The Sales Acceleration Formula.' Teaches at HBS and runs Stage 2 Capital. His data-driven approach to sales team building and tool adoption created the playbook thousands of B2B companies follow for their first CRM and sales stack.

Co-founded Outreach in 2014, built it into the largest sales engagement platform (5,000+ customers, unicorn by 2019). Harvard MBA. Defined the sales engagement category. His platform is in the stack of most B2B sales teams and his content shapes how teams think about outbound infrastructure.