
Don’t Lose Your Momentum: How Product Founders Enter 2026 Strong
How do you maintain founder momentum without sacrificing your mental health, physical fitness, and operational clarity as you scale?
Don't let the new year pressure derail your momentum. In this episode of B2B Breakthrough, host Ciara Cristo chats with Kareem Raslan (https://uk.linkedin.com/in/kareem-raslan-d2c), co-founder of BrainGain (https://braingain.fit), about how product founders can enter 2026 with clarity, confidence, and operational strength. Learn how stripping away FOMO, conducting ruthless SKU audits, and focusing on unit economics can transform profitability. Whether you're battling burnout or chasing every opportunity, Kareem shares the exact framework BrainGain used to turn a 0% margin product into a 15% contributor—and why mental and physical health are just as critical as spreadsheets.
Kareem Raslan is the co-founder of BrainGain, a direct-to-consumer home gym equipment company operating across the UK and Europe via Shopify and Amazon. What started as two friends selling dumbbells from their parents' garages during the pandemic has scaled to over 100,000 customers across 30 countries. With a background in restructuring and finance, Kareem brings a data-driven approach to e-commerce, focusing on unit economics, operational discipline, and sustainable growth. Beyond building BrainGain, Kareem now mentors emerging brands on scaling smartly and staying profitable in competitive markets.
Tune in to learn:
- (0:00) Introduction: Setting Up For Momentum in 2026
- (0:30) From Pandemic Garage to Six-Figure Business
- (2:12) The Pendulum Swing: When Scaling Too Fast Backfires
- (5:34) Building a Lean Team That Delivers Quality
- (6:46) Why Mental and Physical Health Can't Be Negotiated
- (11:12) The Power of Full Transparency with Your Team
- (14:00) Managing Tariffs and External Shocks
- (16:44) Founder Fitness: The Non-Negotiables for Performance
- (21:02) Adaptability Over Agility in Today's Market
- (26:10) SEO is Dead, Long Live ChatGPT Optimization
- (30:28) The SKU Audit That Changed Everything
- (34:48) Rapid Fire: Keep, Drop, Gain for 2026
- (36:39) Where to Find BrainGain and Kareem
Check out our three most downloaded episodes:
- Limitless Looks, Less Waste: Holly Garrard on Building a Purpose-Driven Fashion Brand(https://b2b-breakthrough-podcast.castos.com/episodes/limitless-looks-less-waste-holly-garrard-on-building-a-purpose-driven-fashion-brand)
- Startup to Pitch Champion: How Reekon Tools has Grown Sustainably (https://b2b-breakthrough-podcast.castos.com/episodes/startup-to-pitch-champion-how-reekon-tools-has-grown-sustainably)
- Building Baby Products That Parents Actually Need with Vonu Founder Brittany Harvey (https://b2b-breakthrough-podcast.castos.com/episodes/vonu-founder-brittany-harvey)
Previous guests include Rudy Mawer, CEO of Mawer Capital; Tony Parker, four-time NBA champion and Founder and President of Infinity Nine Group; Mike McClary, CEO of Amaz...
Chapters
- (00:00:00) - Brain Gain: Setting Up for Growth in 2026
- (00:01:49) - How Did Fitness Brand Go From Start to
- (00:04:38) - How to bring heavy stuff to market
- (00:05:34) - How To Build a Lean Team
- (00:09:45) - Six Years of Simplification and Focus
- (00:12:54) - Hormozi on Expansion in 2020
- (00:16:38) - In the Elevator: Prioritization
- (00:17:57) - Seasonality in the D2C Industry
- (00:20:12) - How To Manage Your Time As a Founder
- (00:26:46) - Q&A
- (00:28:02) - What is the role of AI in marketing?
- (00:29:33) - How to Get From 0 to 10%
- (00:34:37) - 3 Rules for a Success
- (00:38:13) - Jesse Haynes on Solaro Shades
- (00:39:38) - Where Everything Clicks: Eyeglasses for Women
- (00:41:49) - How has that relationship with your manufacturers and your partners helped you grow
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