Skip to content
Bob Thordarson

Bob Thordarson

Co-Founder and CEO

Bob Thordarson is CEO and Co-Founder of Geysera, a serial entrepreneur with 25+ years and five co-founded ventures, including Cequint (acquired by TNS in 2010 for $112.5M) and Consumerware (acquired by ParkerVision). A graduate of the University of Washington and MIT Entrepreneurial Masters Program, based in Seattle, he serves on the boards of DRY Soda Co. and the Entrepreneurs' Organization Seattle chapter. He is an expert in retention marketing email systems and methodology for ecommerce and B2B brands — measured by incremental revenue, not vanity metrics.

74 posts

WooCommerce + SendGrid 2026 — transactional below, marketing automation on top
WooCommerce Email·21 min read·WooCommerce Email Marketing in 2026 — Part 4 of 17

WooCommerce + SendGrid in 2026: From Transactional-Only to Full-Funnel Without Migration

SendGrid retired its free plan in July 2025, and the 8-year-old top Google result for "woocommerce sendgrid" still mentions 12,000 free emails per month. For WooCommerce stores running SendGrid in 2026, here is what changed, why SendGrid is still excellent transactional infrastructure, and how to add a marketing automation layer on top without migrating ESPs.

Isometric 3D render of a WooCommerce dashboard with ESP tiles (Mailchimp, Klaviyo, HubSpot, SendGrid) and a glowing Geysera automation tile.
WooCommerce Email·25 min read·WooCommerce Email Marketing in 2026 — Part 3 of 17

The Modern Ecommerce Email Stack: Why Two Tools Beat One in 2026

The 2026 ecommerce email stack is two tools, not one. An ESP for sends and deliverability, plus an automation layer for identity, cross-channel orchestration, and the cart, browse, and post-purchase flows the ESP cannot see. This guide explains why the all-in-one model is breaking, what each layer does, and how the split-stack architecture maps to WooCommerce specifically.

Isometric 3D illustration of a WooCommerce dashboard with three paths: Migrate (10 ESP tiles), Add a Layer (Geysera tile), Stay (ghosted).
WooCommerce Email·31 min read·WooCommerce Email Marketing in 2026 — Part 2 of 17

Klaviyo Alternatives in 2026: 10 Options Compared (Plus the Layer-on-Top Option)

The 2026 shortlist of Klaviyo alternatives — Omnisend, Brevo, Drip, ActiveCampaign, Mailchimp, MailerLite, HubSpot, AutomateWoo, FunnelKit, FluentCRM — compared on 2026 pricing, ecommerce integration depth, and migration risk. Plus a third option: keep your existing ESP and add an automation layer on top, with no migration.

Isometric illustration of a WooCommerce store with four ESP logos (Mailchimp, Klaviyo, HubSpot, SendGrid) below a connecting "automation layer".
WooCommerce Email·45 min read·WooCommerce Email Marketing in 2026 — Part 1 of 17

WooCommerce Email Marketing 2026: The Complete Stack

The 2026 WooCommerce email marketing playbook for stores on Mailchimp, Klaviyo, HubSpot, or SendGrid. Real benchmarks, real flows, and the automation-layer model that adds Klaviyo-class cart, browse, and winback automation without switching ESPs. 4.17 million WC stores leak 60-80% of recoverable email revenue because their ESP fires the wrong email at the wrong moment.

Editorial flat lay of white sneakers surrounded by complementary products — socks, shoe care kit, insoles — connected by dotted lines labeled "also bo
Ecommerce Email·18 min read·Ecommerce Email Lifecycle Series — Part 12 of 12

Cross-Sell & Upsell Emails: How to Increase AOV After the First Purchase

Cross-sell and upsell emails are the most direct way to increase AOV after a first purchase.

Whiteboard diagram showing two paths from first purchase: 70% churn downward in grey and 30% retention upward in green through post-purchase, cross-se
Ecommerce Email·18 min read·Ecommerce Email Lifecycle Series — Part 11 of 12

Ecommerce Customer Retention: How Email Drives Repeat Revenue

The average ecommerce store loses 70% of customers after their first purchase. Email is the most effective retention channel.

Wall poster showing a color-coded 90-day email marketing roadmap from ESP setup through all seven flows active, with revenue benchmarks at 5-10%, 15-2
Ecommerce Email·16 min read·Ecommerce Email Lifecycle Series — Part 10 of 12

Ecommerce Email Marketing Strategy: From Zero to Revenue in 90 Days

Most ecommerce email strategies fail because they start with campaigns instead of flows.

Laptop displaying a dark-mode A/B test dashboard where "We noticed something about your account" wins at 28.7% open rate versus "We miss you" at 4.2%.
Ecommerce Email·16 min read·Ecommerce Email Lifecycle Series — Part 9 of 12

Re-Engagement Email Subject Lines & Examples That Win Opens (2026)

50+ re-engagement subject lines sorted by strategy, 8 real-world email examples with teardowns.

Smartphone showing an email inbox with months of ignored messages and one re-engagement email standing out with the subject line "Should we stop email
Ecommerce Email·18 min read·Ecommerce Email Lifecycle Series — Part 8 of 12

Re-Engagement Email: The Complete Guide to Saving Your Dead Subscribers

A 100K list with 20% dead weight performs worse than an 80K engaged list.

Third-Party Identity Graphs vs First-Party Customer Data Identification for Ecommerce Stores
Website Visitor Identification·41 min read

Website Visitor Identification for Ecommerce: How Identity Graphs and Server-Side Tracking Actually Work (2026)

97% of your visitors leave without buying — and the industry built to identify them is split into two camps. One buys email addresses from third-party data brokers with spam rates 50–125x the ecommerce average. The other recognizes your own customers when they return, using server-side tracking your ESP can't do alone. This guide breaks down identity graphs, confidence scoring, data decay, and the match-rate math most vendors hope you never run.

Five printed win-back email examples spread on a desk showing different approaches: personal text, product grid, 20% off discount, sunset warning, and
Ecommerce Email·17 min read·Ecommerce Email Lifecycle Series — Part 7 of 12

Win-Back Email Examples & Templates That Actually Work (2026)

10 real win-back email breakdowns from DTC brands, a 4-email template sequence, 30+ subject lines, and design tips.

Split composition showing a lapsed customer's cold inactive desk next to a warm re-engaged scene with a win-back email reading "We haven't seen you in
Ecommerce Email·20 min read·Ecommerce Email Lifecycle Series — Part 6 of 12

Win-Back Email: How to Re-Activate Lapsed Ecommerce Customers

70-80% of first-time buyers disappear after one purchase. A win-back flow catches them before they are gone.