About us
Our Story: Faith, Resilience, and a Legacy for our Family
At Mostaza Wear, we believe that faith is like a mustard seed: small in the beginning, but capable of moving mountains when nurtured with purpose and hard work.
My name is Guillermo, and behind this store is a journey rooted in the reality of a hardworking family. I am 55 years old, a husband, and a father. I have spent my career as a business administrator, a path that has taught me how quickly "security" can change.
The Lessons that Shaped Us Life has taught me that the only constant is change. I experienced it firsthand when a major corporation like Parmalat closed its doors, and again during the restructuring of Nokia. These weren't just business shifts for me; they were moments that required starting over from scratch. These experiences taught me that one must always be prepared for the unexpected to protect what matters most.
Why Mostaza Wear? While I work daily at a mechanical workshop and my wife, Samella, works night shifts at a production plant, we are driven by a single mission: to build a secure future for our children. Currently, we are raising our two youngest children, ages 5 and 11.

Mostaza Wear is our way of creating a "side hustle"—an extra income that ensures our family’s stability. We chose to serve the North American and Canadian markets because of their economic strength and shared values, which allow a family-owned business like ours to reach more homes.
Quality You Can Trust To ensure that our customers receive only the best, we have partnered with Printful for our fulfillment and shipping. We chose Printful because they are world leaders in high-quality apparel and reliable delivery. This partnership allows us to focus on our designs and our message, knowing that your order is being handled with professional care and will arrive safely at your door.
Our Community and Values Our faith is not just a brand; it is our life. As a family, we are active members of the CCPG (Comunidade Cristã de Ponta Grossa), where we share our lives and values with our local community. This same spirit of service and integrity is what we pour into every garment we create.
Our Commitment to You By choosing Mostaza Wear, you are supporting a family that values:
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Transparency: We share our story and our "why" openly.
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Global Quality: Through our partnership with Printful, we guarantee professional standards.
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Purpose: Our designs are created for the whole family to carry a message of hope.
Thank you for being part of our story. When you wear Mostaza, you are not just wearing a brand; you are supporting a father’s dream and a family’s resilience.
No dudes en contactarme personalmente en LinkedIn o seguir nuestra historia familiar en Instagram. ¡Nos encantaría conocerte!
Instagram:
- Guillermo: @willycerato
- Samella: @skarine.rodrix
Linkedin:
- Guillermo: willycerato