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Results & Testimonials

Why Founders Trust Retention Theory

$500M+ in managed ARR and 100+ lifecycle audits across the fastest-growing CPG brands.

“Sonja is one of the rare retention professionals who actually knows this work at a deep level. The audit was thorough and uncovered massive potential, the detailed implementation direction she provided gave us a completely new retention engine. Her strategy and expertise have been exceptional.”
FS

François-Xavier Salazar

Founder, Nuvaskin

“Exceptional retention talent is hard to find. Sonja is that exception. She brings a deep, intuitive understanding of the levers that move both conversion and retention, combining strategic clarity with the ability to execute directly inside your systems. She doesn't just advise, she builds, tests, and implements. Sonja has been a transformative partner for Nunona, and I can't recommend her highly enough to any founder looking to materially improve their lifecycle performance.”
KM

Krista Maas

Founder, Nunona

“Sonja is incredibly talented and has been a great partner. She brought clarity and structure to our lifecycle and retention setup and set us up for success from launch. She has great energy, is a lovely human, and is thoughtful, sharp, and fast. I highly recommend working with her.”
AG

Anabel Gonzalés

Founder, Good Bacteria

“We worked with Sonja on our retention strategy for Duradry.com. She was FANTASTIC. Can't recommend her enough!”
JB

Jack Benzaquen

Founder, Duradry

“I highly recommend Sonja to any CPG/DTC operators looking to elevate their retention marketing strategy. She has been instrumental in optimizing our entire program—email, SMS, subscriptions, and direct mail—while also refining our Shopify on-site strategy to increase AOV. Sonja is proactive, insightful, and an invaluable resource, always bringing great ideas and high-quality referrals. She's been great to work with!”
BB

Brad Baum

Founder, Llama Naturals

“Sonja's understanding of the retention, loyalty and CRM space is immense. Even better is her execution and ability to lead programs and people at any scale. I truly have the utmost respect for her work.”
DJ

Dylan Jones

Founder, Buddies Gum

“Sonja built out our platform and invested in strategic and complicated flows for over 1M customers. She is also an amazing team player, leader and veteran of her craft.”
DG

David Ghiyam

Founder, MaryRuth Organics

Results Across Brands

26%

Surge in 2nd-Order Loyalty

Strategic intervention that bridged the gap between trial and habit, leading to a 26% YoY lift in 2nd-order retention.

54%

Reduction in Early Churn

Systematically slashed Month-1 churn from 24% down to 11% in just six months by re-engineering the entry offer + post-purchase journey.

65%

Lift in Cancellation Recovery

Transformed the Cancel Flow into a revenue-retention engine, successfully saving 1 in 5 customers at the point of exit.

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