Cornerstone Strategy works with AWS Partners to transform their AWS partnership into a growth engine.
Cornerstone Strategy specializes in transforming AWS partnerships into growth engines by developing a customized partnership plan for your business that achieves tangible business outcomes — including increased pipeline, more customers, and accelerated revenue growth.
Areas of focus include:
- Defining your unique, differentiated Value Proposition
- Evolving your Go-To-Market Strategy to better align with AWS
- Developing Sales Plays and Co-Sell Motions that will resonate with AWS Sellers and Leadership
- Identifying strategic, complementary partnerships with other AWS partners that drive additional pipeline
- Recommending and helping prioritize the Amazon Partner Network programs that will provide the most impact for your business
My Vision
At Cornerstone Strategy, I believe that partnering is both an Art and a Science — and I excel in the Art: the intuition, creativity, and human connections that transform strategic partnerships into revenue-generating, market-moving relationships.
Cornerstone Strategy's art is reflected in four partnership pillars that guide everything I do for my clients:
- Stand Out and Win Customer Mindshare
- Lead with Business Outcomes, Not Features
- Execute Go-To-Market Motions that Build Pipeline and Accelerate Revenue
- Choose Partners that Accelerate Your Impact
Request your copy of my Partnership Success Playbook to see how these four pillars work in action.
Cornerstone Strategy is Eric Rosenstein
For 25 years, Eric has operated at the forefront of Partnerships, Alliances, and GTM Strategy — building relationships and revenue with some of the most influential names in technology, including AWS, Microsoft, Google, and Salesforce. His edge isn't just experience — it's an instinctive understanding of what it takes to make partnerships work.
That instinct was on full display during his time at AWS where he helped architect a Public Sector partner community so strategically aligned that it scaled revenue from $15M to $350M over five years. The formula? Identifying and developing Partners with the capacity, capability, and commitment to deliver — and working with them to create winning GTM strategies.
Eric now channels that expertise into Cornerstone Strategy, helping AWS partners stand out, lead with business outcomes, and build partnerships to accelerate growth.
A lifelong learner and dedicated mentor, Eric gives back through the Penn State Smeal School of Business, Georgetown's MBA program, and the Leadership Institute's summer high school internship program — because great partnerships, like great leaders, don't happen by accident.
Eric holds a Bachelor's Degree in Business from Penn State and an MBA in Global Business Strategy, with honors, from Georgetown University.
Testimonials
Balaji Iyer, CEO, Projectory.ai
“Eric has been a highly valuable strategic partner as we build the go-to-market and co-sell motion for Projectory.ai. He combines a deep understanding of the Public Sector partner ecosystem with practical experience needed to turn partnership strategy into action. From helping us navigate our Carahsoft relationship to connecting us with relevant AWS sellers, Eric has brought structure, credibility, and momentum to our growth efforts.
What distinguishes Eric is his ability to quickly understand a solution, sharpen its business value, and position it in a way that resonates with partners and customers. I highly recommend Eric and Cornerstone Strategy to anyone looking to strengthen their positioning, build meaningful co-sell relationships, and accelerate their path to market.”
Patrick Stewart, CRO, Red Oak Strategic
"Red Oak Strategic originally met Eric in his role as Partner Strategist for the AWS SLG+EDU. Since he helped develop our Public Sector presence at AWS, we immediately knew we wanted to continue our collaboration once he started Cornerstone Strategy.
Eric's strategic adviser services have helped us evolve and scale Red Oak's go-to-market strategies and develop key strategic partnerships. In the last 12 months he has helped us grow our revenue 80% and increase pipeline by 3x by helping us build 4 new Strategic Partnerships, better-defined AWS superpowers and a more differentiated value proposition. He's helped define a focus on the Law Enforcement vertical building on a key customer account and increased mindshare with AWS sales teams. His experience, relationships and strategic thinking would benefit any AWS partner."