Meet your Cloud Native Ambassadors (CNAs)!
Ambassadors are an extension of CNCF, furthering the mission of “making cloud native ubiquitous” through community leadership and mentorship.
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Recent Ambassador News

Technology Where I Belong
May 7, 2025CNCF Ambassadors
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Showing 6 of 271 Ambassadors
(He/Him)
Cuemby

Angel Ramirez
(He/Him)
Cuemby
- Location: Delray Beach, United States
- Languages: English, Spanish
- Project Experience: Cilium, gRPC, Helm, Kubernetes, Prometheus, Tinkerbell
Angel Ramirez is an accomplished technology leader and entrepreneur with a strong background in software product development, cloud-native technologies, and Kubernetes Kubestronaut. Angel is a CNCF and TODO OSPO Ambassador, known for his exceptional public speaking skills, effectively communicating intricate technical ideas engagingly and understandably. His dynamic approach seamlessly integrates technology with business strategy, helping organizations achieve robust, scalable solutions while promoting a culture of ongoing learning and community engagement.
(He/Him)
Fullstaq B.V.

Gerrit Tamboer
(He/Him)
Fullstaq B.V.
- Location: Westervoort, Netherlands
- Project Experience: Argo, Backstage, Buildpacks, cert-manager, Cilium, Container Network Interface (CNI), containerd, CoreDNS, CRI-O, Crossplane, Emissary-ingress, Envoy, etcd, external-secrets, Fluentd, Flux, gRPC, Harbor, Helm, k3s, KubeEdge, Kubernetes, KubeVirt, Kubewarden, Kyverno, Linkerd, Longhorn, NATS, Notary Project, Open Cluster Management, Open Policy Agent (OPA), OpenEBS, OpenELB, OpenTelemetry, OpenTracing, Strimzi, Thanos, Tinkerbell, WasmEdge Runtime
As a Platform Engineer with over 15 years of experience, I specialize in Cloud Native technologies and Kubernetes, focusing on driving these innovations to the edge. In 2016, I founded Fullstaq, a consulting company dedicated to advancing Cloud Native solutions, and through its merger into TrueFullstaq, I now serve as Chief Evangelist. I’m passionate about sharing insights and best practices in the CNCF ecosystem, actively engaging in the community to promote Kubernetes and edge computing.
(He/Him)

Jim Angel
(He/Him)
- Location: Austin, TX, United States
- Languages: English
- Project Experience: Argo, Buildpacks, cert-manager, Cilium, Container Network Interface (CNI), containerd, CoreDNS, Dex, Dragonfly, Envoy, etcd, external-secrets, Falco, Harbor, Helm, Istio, Knative, ko, Kubeflow, Kubernetes, Open Policy Agent (OPA), Prometheus, Tinkerbell
I’m Jim Angel. I love solving problems and working with incredible people! I’m primarily involved with upstream Kubernetes (SIG-Release and SIG-Docs). Currently working on restarting our local Austin meetup and a Texas KCD. You can follow my latest projects at jimangel.io
Why I am excited to be an ambassador: It’s awesome to get to know so many great people and work with leading technology that’s responsible for changing multiple industries. The community that keeps Kubernetes open and welcome is a special thing, and I hope to maintain such standards myself. I also enjoy helping connect the folks using open source tooling with the resources they need to be successful, and being an ambassador keeps me connected.
(He/Him)
Apple

Kohei Ota
(He/Him)
Apple
- Location: Japan
- Languages: English, Japanese
- Project Experience: Argo, cert-manager, Cilium, containerd, Contour, CRI-O, Envoy, etcd, external-secrets, Falco, Fluentd, gRPC, Harbor, Helm, Jaeger, KEDA, Kubernetes, KubeVirt, Lima, Longhorn, OpenTelemetry, Pixie, Prometheus, Telepresence, Tinkerbell
Kohei Ota is a Senior Field Engineer at Apple. He is a CNCF Ambassador and contributes to Kubernetes SIG Docs as the Japanese localization owner in the CNCF communities. He also organizes Docker Meetup Tokyo and CloudNative Days Tokyo; some of the biggest “container/cloud native” communities and conferences in Japan.
Why I am excited to be an ambassador: I’ve been involved with local cloud native community based in Japan. Unfortunately not many folks from Japan have tightened relationship with international community. I’m excited to be part of organizers of both sides and would love to help local experts become part of the international community!
(He/Him)
Kubermatic

Mario Fahlandt
(He/Him)
Kubermatic
- Location: Schirnding Germany
- Project Experience: containerd, Dex, Jaeger, k8gb, Knative, Kube-OVN, Kubeflow, Kubernetes, KubeVirt, Kyverno, Open Policy Agent (OPA), Tinkerbell, zot
Mario is from a small village in Germany and working for Kubermatic. He studied creative media at an English university and moved his field of knowledge to Cloud Native Infrastructure. He is working as a Customer Delivery Architect with the focus on planning and building concepts and architecture for Infrastructure in the cloud native world. Furthermore, he started the Google Developer Group for Cloud in Munich back in 2016. His passion is always to move the cloud native community one step forward. He is part of the Kubernetes SIG ContribEx and helps in the SIG K8s Infra with reporting.
(He/Him)

Michael Levan
(He/Him)
- Location: Mount Arlington, NJ, United States
- Project Experience: Argo, Artifact Hub, Backstage, Buildpacks, CDK for Kubernetes (CDK8s), cert-manager, Chaos Mesh, Cilium, Container Network Interface (CNI), containerd, CoreDNS, CRI-O, Crossplane, Emissary-ingress, Envoy, etcd, Fluentd, Flux, Helm, Istio, Jaeger, k3s, KubeEdge, Kubeflow, Kubernetes, Kubescape, KubeVirt, Kyverno, Linkerd, Longhorn, Open Policy Agent (OPA), Open Service Mesh, OpenTelemetry, Prometheus, rkt, SPIFFE, SPIRE, Thanos, Tinkerbell, Virtual Kubelet
Michael Levan is a seasoned engineer and consultant in the Kubernetes and Platform Engineering space who spends his time working with startups and enterprises around the globe on consulting, training, and content creation. He is a trainer, 3x published author, podcast host, international public speaker, and was part of the Kubernetes v1.28 Release Team.
Why I am excited to be an ambassador: The avenue that’s now opened to work with more people around the world. I’ve been giving back to the community, creating free content, and contributing to projects for 5+ years. I’m now excited to work with others who are passionate about doing the same.