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Sergey SemenenkoSS
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Sergey Semenenko

@sergeysemenenko

I grow Amazon brands through profitability, catalog, ranking, pricing, and advertising strategy.

Israel
Message

At GNO Partners, I own Amazon strategy for 20–25 six- to eight-figure brands, setting priorities across profitability, catalog, launches, and advertising. I rebuilt pricing, promotions, and relaunch strategy for a ~$1M/month brand, increasing monthly revenue 43% and profit 62% within 90 days.

I've advised eCommerce brands with more than $40M in combined revenue and over $2M in annual advertising budgets, leading Amazon growth, catalog expansion, product launches, organic ranking, and international marketplace entry. I use SQL and Power BI to turn sales and advertising data into practical pricing, launch, and profitability decisions.

I also led three Amazon brands and a team of five PPC managers at Jeff's Brands, growing combined revenue from ~$10M to ~$13M while improving profitability. I evaluate each business like an owner: identify the constraint limiting growth, then build and execute the plan to remove it.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

CM

College of Management

Bachelor of Arts, Business Administration

2018 - 2021

Pursued a Bachelor of Arts in Business Administration with a focus on Finance and Capital Markets from 2018 to 2021.

Tech stack

Software and tools used professionally

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