Update directory.md

Author: Mark

documentation/directory.md

@@ -50,3 +50,4 @@ Each project keeps its own team directory [inside its main repository](https://g
 | [Joseph Ashwin](https://helpfulengineering.slack.com/team/U010ZPFB38V) | AWS (EBS, EC2, RDS, S3) / GCP (GAE, Cloud SQL, Compute Engine, Storage, Firestore, Cloud Functions) / Firebase (All Services) / Python (Core, Flask, Django) / Node.js (Express.js, Hapi) / PHP (Laravel, Codeignitor, Core) / React / Mobile (React Native) / CI/CD (Gitlab CI/CD) | Interested in and Learning DevOps tools like Kubernetes, Ansible, would love to work on them, Also a blockchain enthusiast, still learning but have developed apps on Ethereum and Quarum networks. My [Bio](https://drive.google.com/open?id=1ahxcLoFCTOULmBum6P_OTZSam1rwuOU1) |
 | [Carlos Montemuiño](https://helpfulengineering.slack.com/team/U010ML28A67) | Scala / Java / Python / NodeJS / DevOps(AWS, Docker, Kubernetes, Terraform, CI/CD, Travis, Spinnaker), Data Engineering (S3, Redshift, Kinesis, Kafka, Spark) | I have experience in Data/ML pipelines |
 | [Niko Infanto](https://helpfulengineering.slack.com/team/U011L0X1JAW) | Java / SQL / HTML&CSS / Spring / Hibernate / PHP / ColdFusion | My Developer Profile Website [View](http://nikoinfanto.com)
+| [Mark Tagab](https://helpfulengineering.slack.com/team/TUTSYURT3)  | Java / Kubernetes / Docker / SQL / Digital Ocean /  Shell Scripts | interested in microservices and devops