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Testimonials

To date, our team at Iron Core Marketing has collaborated with and supported 30+ climate tech startups with powerful marketing focused on improving lead generation. Hear first-hand how our partners and clients have felt about working with us:

“Working with Celeste was great, and her work [was] super expressive, always on time. [She] delivered several quality projects for the team as we launched new products and services for the commercial EV truck and bus markets. I would highly recommend her . . . Great team player and the very best attitude. I don’t think she has ever had a bad day!”
John
Chief Commercial Officer
“Joanna was instrumental to the early success of FreeWire. She was responsible for the planning and execution of 16+ domestic and international events which resulted in brand visibility, media attention and partnerships with associations and customers. She led the rollout of a corporate rebranding that included a new CRM-integrated website. She was also in charge of producing effective sales tools and collateral for the entire funnel. Joanna is a wonderful teammate and would be a great addition to any company in the cleantech space.”
Arcady
Founder & CEO
"Celeste is hard-working and extremely kind. She was very dedicated to improvement and processes, which showed in her work. Celeste collaborated with multiple teams to push projects across the finish line and did it with ease! You would be lucky to have Celeste on your team."
Amanda
Marketing Manager
“I had the pleasure of working with Joanna for over six months, during which she proved to be an invaluable asset to the Electrada marketing team. Joanna authored more than a dozen insightful blog posts, crafted a detailed white paper, and developed a conference abstract that was successfully accepted for presentation. Her deep knowledge of our sector and keen awareness of emerging trends were evident in every piece of content she produced."
Alex
Chief Marketing Officer
"Celeste is passionate and an exceptionally quick thinker, and her insights have been both innovative and practical. We were interested in exploring new messaging that focuses on larger community issues. Celeste proposed an excellent approach, suggesting we A/B test our homepage or form a focus group to gauge responses to different messages. Her method combines creativity with data-driven strategy, giving us a clear path to enhance our communication efforts."
Wendi
Communications Manager
"Joanna has been a valued contributing writer to EnergyTech.com. Her insights on the EV charger industry are among the most popular stories on EnergyTech in the past year. She is a thorough, well-informed expert in the energy industry, and her deft writing voice is much appreciated."
Rod
Managing Editor
"Celeste is a holistic thinker and a fantastic ally in creating and executing marketing plans. She will help you identify gaps in your thinking. Her approach leans on data, is detailed to the project level, and centers you on communication for successful adoption."
Kyle
Sr. Marketing Manager
“The first thing I always say regarding Joanna is that she was able to join the company in December and execute both the company and initial product launch at our major industry trade show by the end of January. She jumped right in and got us off to a great start. She is able to drive results on a tight budget, without sacrificing quality. She clearly understands the value of getting the message out and packaging it in ways that will resonate with target audiences for the business, including customers, media, analysts, and investors. Joanna has a passion for clean, renewable energy that she channels into her work every day."
Vince
Vice President of Marketing
"I am thoroughly impressed with the initiative Celeste showed in this process! I am not just referring to the careful reflection demonstrated in resources provided, but also the way she stepped up and took immediate ownership in this dialogue from the first hello."
Derek
Executive Vice President, Strategy & Investments
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