About

A security advisory firm built around trust, truth, and real outcomes.

Astro is a cybersecurity advisory and consulting firm focused on helping clients solve the issues that matter most. We are services led, outcome based, and designed to embed with organizations that expect direct guidance, practical execution, and measurable security progress.

Our team brings deep practitioner experience across strategy, operations, assurance, platform security, infrastructure, and embedded talent. We are built to move quickly, tell the truth, and help clients improve security in ways that actually hold up under pressure.

Core Value

Fearlessly Honest

We tell the truth, even when it's uncomfortable, so leaders can make clear, confident decisions.

Core Value

Relentless
Accountability

We own our commitments end-to-end and stand behind our work, outcomes, and impact without excuses.

Core Value

Unshakeable Trust

We earn trust through consistency, discretion, and actions that hold up when the pressure is on.

Leadership

Meet the people behind Astro.

Shaun Bertrand
Vice President

Cybersecurity leader with 25+ years driving practical, outcome-based security across enterprise and government environments.

Shaun Bertrand brings more than 25 years of hands-on cybersecurity leadership, helping organizations strengthen their security posture through practical, experience-driven strategies that deliver real results. Throughout his career, Shaun has grown and scaled cybersecurity practices, led complex incident response efforts, and advised both private and public sector organizations, including mission-critical defense and government environments across the U.S. and overseas. He has taught cybersecurity as an adjunct professor at the University of Michigan and is the Founder and President of the Grand Traverse ISSA chapter.

Shaun has been CISSP certified since 2004 and is a Distinguished Fellow of the Ponemon Institute. Known for his calm leadership style and commitment to service excellence, he builds trusted teams that thrive under pressure and consistently exceed client expectations. Shaun is a loving father and husband, enjoys long distance hiking, and is terrible at home improvement projects.

Dan Gregory
Director of Solution Architecture

Cybersecurity leader with 30+ years designing, operating, and scaling security architecture across complex enterprise environments.

With nearly 30 years in cybersecurity, Dan Gregory brings deep executive leadership and hands-on experience designing, operating, and scaling security programs across highly regulated environments. He has served as a cybersecurity leader and CISO across multiple industries, including global manufacturing, healthcare, and financial services. Throughout his career, Dan has partnered with organizations of all sizes to identify gaps in security posture, assess risk realistically, and design practical, outcome-driven solutions aligned to business objectives and organizational maturity. He is known for tackling complex security challenges by building simplified, actionable programs that are effective, sustainable, and measurable.

Dan is recognized for his pragmatic leadership style, disciplined execution, and unwavering focus on reducing risk without unnecessary complexity. A father of two grown, tax-paying adults and a lifelong outdoorsman, Dan recharges in the mountains, at the gym, or in his workshop, usually with a good book nearby. He never says no to pickleball or time with Oakley, his Boston Terrier and favorite child.

Kenith Lewis
Director of Network & Cloud Security

Strategic security advisor helping organizations align risk, business priorities, and practical security outcomes.

Ken Lewis is a cybersecurity leader who helps organizations build security programs that accelerate the business rather than slow it down. He approaches security as a set of guardrails, designed to enable confident decision making, protect what matters most, and keep organizations moving forward. Ken leads and advises across secure architecture, governance, and risk management, partnering closely with executive and technical leaders to turn business priorities into practical, risk-aligned security programs. His work emphasizes clarity, accountability, and execution, ensuring security investments are focused, defensible, and measurable.

Having supported organizations across private equity, healthcare, financial services, entertainment, and government environments, Ken brings a global, cross-industry perspective to modern security challenges. He is known for his ability to simplify complexity, prioritize effectively, and guide teams toward scalable security strategies that stand up in real-world conditions. Ken is a proud husband and father, an English Premier League fan, and mediocre at golf on a good day.

Advisory Board

Experienced voices helping guide Astro forward.

Our Advisory Board brings together experienced cybersecurity and business leaders who challenge our thinking, broaden our perspective, and help guide Astro’s continued growth.

John Beeskow
CISO & Board Member

Seasoned CISO and board director with deep experience leading enterprise cybersecurity, incident response, risk management, and compliance programs.

John Beeskow is an accomplished cybersecurity executive who currently leads information security for a global enterprise organization where he guides enterprise‑wide cybersecurity strategy, incident response, and risk management efforts. He also serves on the Board of Directors of Credit Union ONE, contributing expertise in cybersecurity, enterprise risk and financial services governance. He earned undergraduate degrees in Finance and German from Michigan State University, an MBA from Oakland University, and holds his CISSP.

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Chris Burrows
CISO, Rocket

Cybersecurity executive with more than 35 years of experience building mature global security programs across fintech, manufacturing, and government environments.

Chris Burrows is a Qualified Technology Expert (QTE) and cybersecurity executive with over 35 years of risk-management experience. Currently the CISO at Rocket, he leads the security strategy for a 25,000-employee fintech enterprise. Chris specializes in building mature, global security programs from the ground up—spanning fintech, manufacturing, and government sectors—and seamlessly aligns technical security infrastructure with high-level business transformation and regulatory compliance.

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Diana Kelley
CISO, Noma Security

Globally recognized cybersecurity and AI security leader with deep executive experience spanning enterprise security, risk, ethics, education, and board advisory.

Diana Kelley is Chief Information Security Officer at Noma Security and a globally recognized leader in cybersecurity and AI security. She previously served as CISO of Protect AI and held senior executive and technical leadership positions at Microsoft, IBM Security, Symantec, and other prominent security organizations. Diana is also an author, educator, board director, keynote speaker, and advisor whose work spans cybersecurity, AI, risk and ethics.

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John Teltsch
Board Advisor & Member

Global technology executive with more than 45 years of experience driving growth, business transformation, go-to-market strategy, and high-performance teams.

John Teltsch is a global technology executive with more than 45 years of experience driving growth, business transformation, and go-to-market strategy. Most recently, he served as Global Chief Revenue Officer at Pellera, leading worldwide sales, managed services, and marketing while helping guide the company’s integration following the 2025 merger of Mainline Computer Company and Converge Technology Solutions after being acquired by H.I.G Capital. Previously, John spent 40 years at IBM, retiring as General Manager of IBM Technology Sales and Services for the Americas after holding numerous global leadership roles. Known for his motivational speaking, John has built and led high-performance teams, successfully transforming organizations and accelerating business turnarounds through strong leadership, operational excellence, and customer-focused innovation. He is a true global executive living in France, Spain and Brazil during his career for more than 15 years.

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Our Story

Our History

Astro was founded in 2014 with a single mission: to be the most unique, creative, and ground-breaking cybersecurity advisory firm. We approach every client with fresh eyes to develop tailored strategies that deliver real, measurable outcomes.

Our Focus

Over the years, we’ve grown, but our commitment has never changed: deliver strategic cybersecurity advisory that aligns directly to our clients’ business goals. We don’t simply consult, we embed ourselves alongside your team to strengthen your security posture, reduce risk, and meaningfully lower your attack surface. Our approach is designed to help organizations scale faster, operate more securely, and make confident decisions without unnecessary complexity.