$200 / month
2 calls per month (30min/call)
Unlimited Q&A via chat
Expect responses in 2 days
Hands-on support
Cancel anytime
One-off sessions with Donavan
One-off sessions are a great option if you’re looking for specific advice on a certain topic.
If you're looking for a mentor, and you're just not sure about how this all works – this one is for you. In a casual, informal introductory call, a mentor will introduce themselves, show you around the platform, explain how our mentorships work, and explain …
Having a good resume on hand when going on the job hunt is crucial, and will make your search a lot easier. Even if you're not looking for a new position right now, having an up-to-date CV that sells your experience to future potential employers …
This session is designed to help you optimize your LinkedIn profile for professional networking and career advancement. In this session, a mentor with expertise in online branding and career development will review your existing LinkedIn profile, provide feedback and guidance, and offer best practices for …
Whatever doesn't fit the mold: Get 30 minutes with a mentor to discuss your needs. Be it help with some code, discussing through an issue with your business, help for something at work or an issue with a project.
Looking to learn a new skill? The vast amount of resources on any topic on the internet can feel overwhelming at times. A mentor can give you an overview of worthwhile content, and work with you to create a study plan. For this session, it …
Not sure about your newest design? Not sure if your code is as good as it can be? Portfolio site looking a bit, meh? In this session, a mentor will sit down with you, and give you some inputs to make your work better, be …
Some big interviews coming up? In this 1-hour session, a mentor with hiring experience will act as a technical interviewer and ask you some standard hiring questions that you might hear in one of your future interview too, and will evaluate your replies. As a …
Whatever doesn't fit the mold: Get a full hour with a mentor to discuss your needs. Be it help with coding something, deciding on a strategy for your business, pushing your career forward or help with a project. If you don't know whether what you …
Donavan Cheah is a Physics graduate who transitioned into a cybersecurity consultant with eight years of experience across technical, architectural, and business domains. His expertise spans government, aviation, transportation, defense, and financial sectors, focusing on optimizing companies' cybersecurity compliance, confidence, and cost-effectiveness.
Donavan has made significant contributions to the open-source cybersecurity community, including creating vulnerable machines on Vulnhub from 2018 to 2021. He's a frequent speaker at regional conferences such as SECCON, Threat Modelling Connect, GCC 2025, Seasides 2025, and Division 0, addressing both technical and strategic cybersecurity topics. He also conducts career talks to inspire students to pursue cybersecurity careers.
At Thales, Donavan led the development of "Defend the Breach" (DTB), a cybersecurity gamification experience where players role-play as CISOs making complex decisions. He's been on VULNCON's advisory board since 2024, providing technical thought leadership and moderating executive-level panels on cybersecurity's future.
Donavan's expertise has been recognized in "The Pentester Blueprint" and by Offensive Security. He contributes to ISC2's Unified Body of Knowledge (UBK) and writes articles for ISACA on various cybersecurity topics, including post-quantum cryptography and the intersection of social sciences and cybersecurity.
His credentials include OSCE3, OSCP, CISSP, and CRISC certifications. He's currently pursuing a Master's in Cybersecurity at Georgia Tech (OMSCY). Donavan is also an active mentor, having helped two mentees secure jobs and currently mentoring a dozen others.
For more information about Donavan's work and insights, visit his website at https://donavan.sg and his cybersecurity blog at https://donavan.sg/blog
Open to inquiries
You can message Donavan to ask questions before booking their services
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5 out of 5 stars
He has extensive experience in cybersecurity and guided me to learn and grow.
5 out of 5 stars
Great mentor. Great person in general. Very helpful and always keen to talk/help and is always there. Loving it!
5 out of 5 stars
Donavan has a really approachable personality and never fails to respond to my questions promptly. This clearly demonstrates his dedication asa mentor. Being a beginner to CyberSecurity myself, Donavan was quick to point me to beginner-friendly resources and material. This made my learning journey a lot smoother and saved me lots of time I would have otherwise spent looking around. Additionally, his insights into the current CyberSecurity job market have been invaluable, helping me understand industry trends and potential career paths. Overall, I'm extremely satisfied and pleased with Donavan's guidance and support.
Donavan Cheah's personal website showcasing his cybersecurity expertise, professional journey, and personal interests. Explore insights on ethical hacking, threat modeling, …
Every first and third Monday of the month, get our tips on working smarter, getting ahead in your career and …
VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks.
Notify me when Donavan has new spots
We will send you a quick email if Donavan has new open spots for mentorship, and only in that case!
Book a free intro call with Donavan
Connect with Donavan in a quick call (usually under 30 minutes)
