Ira WInklerIra Winkler

Ira Winkler, CISSP is the Field CISO for CYE (pronounced Sigh) Security, former Chief Security Architect at Walmart, and author of You Can Stop Stupid, Security Awareness for Dummies, and Advanced Persistent Security. He is considered one of the world’s most influential security professionals, and has been named a “Modern Day James Bond” by the media. He did this by performing espionage simulations, where he physically and technically “broke into” some of the largest companies in the World and investigating crimes against them, and telling them how to cost effectively protect their information and computer infrastructure. He continues to perform these espionage simulations, as well as assisting organizations in developing cost effective security programs. Ira also won the Hall of Fame award from the Information Systems Security Association, as well as several other prestigious industry awards. CSO Magazine named Ira a CSO Compass Award winner as The Awareness Crusader. Most recently, Ira was named 2021 Top Cybersecurity Leader by Security Magazine.

Ira is also author of the riveting, entertaining, and educational books, Advanced Persistent Security, Spies Among Us and Zen and the Art of Information Security. He also writes for a variety of online sites, including RSA Conference, DarkReading and ComputerWorld, and for several other industry publications.

Mr. Winkler has been a keynote speaker at almost every major information security related event, on 6 continents, and has keynoted events in many diverse industries. He is frequently ranked among, if not the, top speakers at the events.

Mr. Winkler began his career at the National Security Agency, where he served as an Intelligence and Computer Systems Analyst. He moved onto support other US and overseas government military and intelligence agencies. After leaving government service, he went on to serve as President of the Internet Security Advisors Group, Chief Security Strategist at HP Consulting, and Director of Technology of the National Computer Security Association. He was also on the Graduate and Undergraduate faculties of the Johns Hopkins University and the University of Maryland. Mr. Winkler was previously elected the International President of the Information Systems Security Association, which is a 10,000+ member professional association.

Mr. Winkler has also written the book Corporate Espionage, which has been described as the bible of the Information Security field, and the bestselling Through the Eyes of the Enemy. Both books address the threats that companies face protecting their information. He has also written hundreds of professional and trade articles. He has been featured and frequently appears on TV on every continent. He has also been featured in magazines and newspapers including Forbes, USA Today, Wall Street Journal, San Francisco Chronicle, Washington Post, Planet Internet, and Business 2.0

Richard GreenbergRichard Greenberg

Richard Greenberg, CISSP is a well-known Cyber Security Leader and Evangelist, CISO, Advisor, and speaker.
Richard brings over 30 years of management experience and has been a strategic and thought leader in IT and Information Security. His Project Management, Security Management and Operations, Policy, and Compliance experience has helped shape his broad perspective on creating and implementing Information Security Programs.
Richard has been a Chief Information Security Officer (CISO) for 15 years, Director of Surveillance and Information Systems, Chief of Security Operations, Director of IT, and Project Manager for various companies and agencies in the private and public sectors.
You may have heard Richard’s interview as a Cyber Security expert on Will Ferrell’s Ron Burgundy podcast:
Richard is the Founder and CEO of Security Advisors LLC, which offers fully-managed security assessments and network and software penetration testing services that allows organizations to continuously assess their internal and external cyber risk posture, and helps companies with compliance issues. He is also the CEO of Layer 8 Masters, which has been putting on the content-rich Planet Cyber Sec conferences and CISO-CIO Forums.

Richard is an Information Systems Security Association (ISSA) Distinguished Fellow, one of only 64 worldwide, and has received their Honor Roll designation (only 55 worldwide). He has also been selected as a finalist for both the (ISC)2 Americas Information Security Leadership Award in the Senior Information Security Professional category and the Los Angeles Business Journal CIO of the Year in Security.
Richard has served on the OWASP Global Board of Directors, leads the OWASP LA Chapter, and has been Co-Chair of the highly successful AppSec California conferences. Richard also is President of the Information Systems Security Association Los Angeles Chapter and is Chair of their widely recognized annual Security Summit and CISO Forum.
Richard is dedicated to diversity in our field. He started and chairs the annual Women in Security Forum, and supports creating a more open and welcome community. Richard’s reach in the Southern California region is extensive. He has worked diligently to bring together the various Southern California IT and InfoSec organizations to enhance their collaboration efforts, to help reach new IT and InfoSec professionals.
Richard has been a published author and has spoken worldwide on Information Security, individually and on panels.

Edward FryeEdward Frye

Edward is the CISO at Aryaka Networks where he is responsible for Security, Compliance, Privacy, IT, and Business Systems. Edward is an information security leader with over 25 years of experience establishing cross-functional, practical security approaches that fit company culture and business goals. Prior to joining Aryaka, Frye was head of security at Elementum SCM, Inc., where he was responsible for establishing an Information Security Management System (ISMS) and obtaining ISO/IEC 27001:2013 certification for the organization. Prior to Elementum, Edward built several information security programs for many SaaS companies, including BlueJeans, Valley Oak Systems, Ellie Mae and PaymentOne. Edward is currently a board member and president of the Silicon Valley chapter of the Information Systems Security Association (ISSA). He holds a Bachelor’s degree in Information Technology and a Master’s degree in Information Security and Assurance.

Yashvier KosarajuYashvier Kosaraju

Yash is the CISO at Sendbird where he oversees Security , Compliance & IT. He has worked with Twilio, Box and iSEC Partners in the past. He has been working in security for over a decade. He has worked in a variety of roles ranging from consulting to enterprise product security teams. He is a big proponent of security through automation and defense in depth solutions.

Jimmy SandersJimmy Sanders

Jimmy Sanders is an information security leader with several years of extensive experience in IT and information security at prominent organizations like Netflix DVD, SAP OnDemand, and Samsung. Jimmy has spent his career creating holistic and innovative security program as well as learning security ideas from some of the industries brightest minds. In addition to his duties at, Jimmy currently serves as the San Francisco Bay Area chapter president of the Information Systems Security Association (ISSA) since 2014. He is also on the ISSA International Board of Directors, a Board Member for the ISSA Education Foundation, a Board member of the Information Security Leaders Foundation (ISLF), and a member of the Office of the CIO. Furthermore, he has been a keynote speaker at BlackHat, RSA, SecureWorld, InfoSec World as well as other notable events. He is a Cyber Security Committee advisor for Merritt College, Ohlone College as well as on advisory board for other colleges and non-profits. Jimmy Sanders maintains the certifications of Certified Information Systems Security Professional (CISSP), Certified in Risk Information and Information Systems Control (CRISC), and Certified Information Systems Manager (CISM). He holds degrees in Psychology and Behavioral Science from San Jose State University.

Adriana WinklerAdriana Antunes Winkler

Adriana Antunes Winkler, L.LM, Esq., is a Data Protection Officer renowned for her extensive expertise in deploying and managing privacy frameworks for multinational corporations globally. Previously, she helmed the data privacy and protection initiatives across Latin America, the Middle East, and Asia for a leading multi-billion dollar U.S. company. Additionally, Adriana presides over the Data Privacy and Protection Commission at the Brazilian BAR Association in Brasilia, guiding over 100 lawyers and acting as the chief advisory figure in privacy matters for the association. Her roles extend to being an educator, author, speaker, and researcher, offering counsel to both governmental and private entities on various data privacy and protection laws (including LGPD, GDPR, PIPA, PDPA, CPRA, etc.), risk management, Privacy by Design, third party evaluations, data subject access requests, and conducting educational sessions. She possesses privacy accreditations from IAPP, EXIN, and ISACA and has earned her DPO certification from Maastricht University, in Netherlands. Adriana invites professional connections via her LinkedIn profile at

Brian KorefBrian Koref

Brian Koref, CISSP serves as a security consultant and virtual CISO for several company’s in the AI and Data Analytics space. Brian most recently served as the Chief Information Security Officer for Sisense Corporation. Brian has more than 15 years of both hands on and leadership experience in both traditional on premise and cloud security. Prior to Sisense, Brian served as head of security for Intacct Corporation prior to and post acquisition by Sage.
Prior to his tenure at Sage Intacct, Brian held leadership positions at several San Francisco Bay area companies to include Informatica and KLA-Tencor. Brian serves as an advisor and mentor for the information security community to include volunteering his time with Hire Heroes, which assists transitioning military personnel interested in technology fields. Brian began his career in Cyber Security as a Computer Crime Investigator with the USAF Office of Special Investigations.

John DonovanJohn Donovan

John Donovan is an active member of the cyber-security community in the San Francisco Bay Area and beyond. He is an investor and advisor to security technology companies directly and as a founding member of SVCI ( John has been a speaker and participant in webinars, private security events, and conferences such as World Startup Cup LATAM, RSA Conference, defcon, BSides, FWD:cloudsec, Identity World, and Cornerstones of Trust.
John is passionate about developing the next generation of cyber-security engineers and leaders. He has partnered with businesses, non-profits, and educational institutions to bring security content and opportunities to students and people looking to make a career change to cyber-security. He is a founding board member of ISLF (, and is a Shepard for the Wall of Sheep ( and the Packet Hacking Village at defcon. John is past president and director-at-large for the Silicon Valley chapter of ISSA ( He has been active with ISSA International ( ) and was awarded the top honor of ISSA Distinguished Fellow at the ISSA International Awards Gala at Black Hat in August of 2023. In his day job, John builds and runs security, risk, and information technology programs.
Currently John is helping to bring proactive and preventative controls to the cloud as CISO and Co-founder of InstaSecure ( an early stage cloud security startup. Past professional positions include developing and managing Security, Risk Management, IT, and Engineering teams for Malwarebytes, Illumio, Veracode, NetApp, Xilinx, iBuilding, and other security and technology companies.

David SparkDavid Spark

David Spark (@dspark) is the founder and executive producer of the CISO Series, a media network for cybersecurity professionals. He also co-hosts many of our shows. Spark is a veteran tech journalist that’s appeared in many media outlets such as eWEEK, Wired News, Forbes, PCWorld, Clearchannel, and TechTV (formerly ZDTV). Spark is the author of “Three Feet from Seven Figures: One-on-One Engagement Techniques to Qualify More Leads at Trade Shows.” Outside of tech, security, and marketing, Spark squandered more than a dozen years working as a touring stand up comedian, a San Francisco tour guide, and a comedy writer for The Second City in Chicago.

T.C. NiedzialkowskiT.C. Niedzialkowski

T.C. Niedzialkowski is Chief Information Security Officer for Nextdoor. As CISO, he protects Nextdoor’s neighbors, employees, and platform from cyber threats. T.C. has successfully grown and led security teams at technology startups and at the United States Federal Reserve. T.C. serves on the Board of Directors for Cyversity, a non-profit organization dedicated to educating and enabling women, underrepresented communities, and veterans in cybersecurity. T.C. recently completed his Masters in Philosophy with a concentration in Ethics from San Jose State University. He lives in Berkeley with his wife and two children.

Mike JohnsonMike Johnson

Mike is the CISO of electric vehicle manufacturer Rivian, helping to keep the world adventurous forever. Mike joined Rivian from Fastly where he was CISO for over 3 years, securing the network and platform of the edge cloud company. Mike’s cybersecurity career spans more than 25 years, starting with prototyping intrusion detection systems for battlefield networks. Prior to Fastly, he served as ride-sharing company Lyft’s first CISO. Before Lyft, he spent nine years at Salesforce in various roles, ultimately building and growing their world class Detection and Response organization.

Joseph PochronJoseph Pochron

Managing Director Joseph Pochron works in the Digital Investigations & Cyber Defense practice of Nardello & Co. With more than 20 years of experience in digital forensics, cybercrime investigations, eDiscovery, and cyber incident response, Joe has investigated or managed thousands of cases involving the collection and analysis of computer, mobile device, network, and cloud-based data. Joe routinely consults with clients regarding digital forensics, insider threats, data privacy, incident response and electronic discovery matters and has testified as a digital forensics expert numerous times in local, state, and federal cases. Additionally, he frequently provides clients with expert affidavits or expert forensic reports in support of their digital or cyber investigative needs. He has managed the preservation, analysis, and review of electronically stored information in a wide range of matters including investigations, independent litigation, regulatory compliance, and internal inquiries.
Prior to joining Nardello & Co., Joe was president of the forensic technology practice for a global legal services vendor and managed digital investigations and insider risk for a Big 4 consulting firm in the US. As a detective, he served as commanding officer of a digital forensic laboratory in eastern Pennsylvania for 13 years. A frequent speaker at technical and legal conferences, Joe has served as an adjunct professor for several years, teaching college-level courses on digital forensics, cybercrime, and data privacy. He helped start a degree program in digital forensics and was the director of digital forensics for a university. Joe is a graduate of Moravian College, where he earned his Bachelor of Arts in Criminal Justice, and of DeSales University. where he earned his Master of Arts in Criminal Justice.

Melissa GoldateMelissa Goldate

Melissa Goldate is a San Francisco-based attorney and strategy professional who is also focused on the intersection of AI and national security and related ethical considerations. Melissa advises companies on corporate and growth strategy, particularly those in the legal industry and cyber security, privacy, and technology sectors. This summer, she is launching a program for practitioners on AI-related issues in national security. Previously, she led strategy, business development, and partnerships for a leading cyber security company and several global law firms.

Melissa earned her B.A. in English from the University of Pennsylvania, J.D. from the University of Denver, and a certificate in “Ethics, Public Policy, and Technology” from Stanford Engineering.

Joe SullivanJoe Sullivan

Joe Sullivan provides security and leadership advice to executives at startups across a range of industries, and serves as the CEO of Ukraine Friends, a nonprofit organization providing humanitarian aid to children in need of mental health and educational support while trying to learn and grow in a war zone. He’s been to Ukraine three times in the last year.

Joe has worked at the intersection of government, technology, and security since the mid-1990s. He spent 8 years working for the US DOJ, including as the first federal prosecutor dedicated full time to prosecuting technology-related crimes, where he received national recognition from the DOJ for outstanding service, and worked on many first-of-their-kind cybercrime cases, including supporting the digital aspects of the 9/11 investigation.

Joe was recruited to eBay in 2002 to build out their eCrime team and oversee acceptable use policies, and later took on broader responsibilities at PayPal. In 2008 Joe moved to Facebook where he became their Chief Security Officer, building their safety and security from a handful of people to hundreds. He was recruited from there to join Uber in 2015, to be their first CSO. His experiences at Uber are well documented publicly, for better and for worse, including with a chapter dedicated to his life in the bestselling book Super Pumped. After Uber, Joe joined Cloudflare as their first CSO and helped a third company blossom from pre-IPO to thriving public company.

Joe has advised a large number of companies over the years ranging from AirBnB to DoorDash to Whoop, and is currently advising the leadership of nine pre-IPO companies.

Joe has testified before the US Congress twice and before many other government bodies around the world, been a commissioner on the National Action Alliance for Suicide Prevention, a board member on the National Cyber Security Alliance, a many-time opening plenary speaker at the Dallas Crimes Against Children Conference, a participant in a White House anti-online-bullying effort, an advisor to the Department of Homeland Security, and in 2016 accepted and served an appointment from President Obama to his Commission on Enhancing National Cybersecurity.
Joe Sullivan runs a security consulting business and serves as the CEO of Ukraine Friends, a nonprofit organization providing humanitarian aid to children in need of mental health and educational support. Joe has worked at the intersection of government, technology, and security since the mid-1990s, when he spent 8 years working for the US DOJ, including as the first federal prosecutor dedicated full time to prosecuting technology-related crimes. Joe worked on safety and security at eBay and PayPal before becoming the Chief Security Officer at Facebook, Uber, and Cloudflare. Joe has advised a large number of companies over the years ranging from AirBnB to DoorDash to Whoop, has testified before the US Congress twice and before many other government bodies around the world, and in 2016 accepted and served an appointment from President Obama to his Commission on Enhancing National Cybersecurity.

Rupa ParameswaranRupa Parameswaran

Rupa is a security and privacy expert with over 20 years of research and industry experience, building and driving trust and security programs at startups and billion-dollar brands. She works closely with business leaders to create relevant secure-by-design and default controls that enable businesses to function efficiently and securely. Currently, she is the VP of Security and IT at Handshake, where she is partnering with the team in its mission to give all students a secure platform to build the career they want, no matter where they’re from or what school they attend. Rupa’s focus on shifting security left by providing Engineers and DevOps teams with relevant training, timely alerting, and recommendations for remediating security misconfigurations as part of the secure software development lifecycle has successfully transformed the security mindset of many engineering teams at Handshake and all her previous employers. Before Handshake, Rupa was the Head of Security at Amplitude, CISO at Demandbase and worked as a security and privacy architect at Pinterest, Microsoft, and EMC, to name a few. She is passionate about solving problems at scale and efficiently by leveraging the right combination of people, process, and technology.
Outside of work, Rupa enjoys cooking, hiking with her twins, and spending time with her family.

Divya TatedDivya Tated

Divya Tated is a cybersecurity professional with a passion for product. Leveraging 4+ years of experience in Identity and Access Management (IAM), Divya is eager to transition into a Product Management role. Her professional journey started at Catholic University of America, Washington DC, where she earned her bachelors in Computer Science and a double minor in Math and Entrepreneurship. Then she started working for American Express, where she was introduced to Cyber- IAM. Her first implementation was CA siteminder to Okta, and that’s when she fell in love with the Identity space.

Leveraging this experience, Divya transitioned to EY, and got the opportunity to work with diverse clients like Home Depot, Bank of America, Lucid Motors, Fifth Third Bank and many more. In this journey, her dedication and exceptional skills were recognized with the prestigious Bravo Award on four separate occasions.

Beyond her professional pursuits, Divya is an International Figure Skater, and has represented India at World Championships. Divya is also the Google Developer Student Club CMU-SV Chapter Lead, actively contributing to a student organization that empowers developers. In her free time, Divya volunteers with various youth organizations, giving back to her community and helping young minds flourish.

Currently, she’s pursuing a Master’s degree at Carnegie Mellon University to further develop her leadership potential and transition into a Product Management role. Connect with her on LinkedIn:

James NelsonJames Nelson

James Nelson is the VP of Information Security at Illumio, the Zero Trust Segmentation company, where he is responsible for securing the company’s data, platforms, and products. With three decades of technology and security leadership experience, James has a passion for building effective and resilient security teams. James served as CSO at Pivotal Software during the company’s IPO journey, with responsibility for cybersecurity, physical security, and privacy, and was CISO at Aruba Networks, where he spent 6 years building their first cybersecurity program. He also started the security program at Juniper Networks, supporting the company through ten years of immense growth and transformation. James is based in Northern California, where he and his family are protected by three ferocious cats and two oblivious dogs.

Dineshwar SahniDineshwar Sahni

Dineshwar Sahni currently working as the Director and Head of Product Security at Visa Inc. In this role, he oversees a global product security team and is responsible for ensuring that all Visa applications are secure before release. He is passionate about the securing the software supply chain. He has a strong track record of delivering high visibility initiatives that span engineering and product security areas in FinTech. He is passionate about enabling and empowering developers to have the security first mindset, through training and automation. Sahni pioneered the Shift-Left concept and is currently focused on supporting developers to Start-Left through devsecops.