About Us

Julie A. Karbo

Founder & CEO

With more than 30 years in the technology industry, Julie Karbo’s strategic marketing and communications experience originated with the birth of high tech marketing. She has provided counsel to executives in a wide array of technology areas, including enterprise software, the Internet of Things, Big Data, mobile, advertising tech, e-Commerce, marketing platform, storage, virtualization/cloud, security, social networking/media, Internet infrastructure, networking, Internet television, and consumer electronics. Karbo has directed positioning, planning and tactical efforts targeted to a wide variety of audiences, including consumers, enterprise executives, IT staff, service providers, engineers, agencies and developers. She has a strong track record in helping her clients achieve and maintain market leadership positions.

Karbo has provided strategic direction and ongoing counsel to a number of high profile technology companies including Apple, eBay, Internet of Things World, Nexenta, Oracle, Cisco, Digg, Townsquared, Vendavo, Composite Software, RTI, Recurly, Revision3, Equinix, Xerox, Peribit Networks, Citrix, and Paramount Pictures.

Prior to founding Karbo Communications, Karbo founded K/F Communications, which over a thirteen-year period became one of the most respected technology PR boutique agencies in the world. The firm was consistently ranked as one of the top tech PR agencies by O’Dwyer’s and The Holmes Report. Prior to K/F, Karbo was a partner at Stirling & Karbo, a tech public relations firm for nine years. Karbo also served as vice president/group account manager in Ketchum Public Relations’ technology practice and as a vice president at Stirling & Cohan PR.

As group account manager at historic marketing and PR agency, Regis McKenna, Inc. (RMI), she directed positioning and communications efforts for many of the technology industry’s pioneers. She began her technology marketing career in 1981 at Atari, Inc. where she managed the product marketing planning, sales promotion and marketing communications functions in the game and computer product divisions. Karbo started her career at SRI International in marketing research. She holds a M.B.A. degree in Marketing and a B.A. degree in Economics from San Francisco State University.

Kim Brosowsky

Senior Vice President

Kim Brosowsky has been integral in successful communications efforts for established brands launching multiple brands and early stage startups, including company messaging, PR strategy and program execution. She has also worked with established companies to heighten their profiles and even re-positioned companies. She has extensive experience in both B2B and consumer industries. From launching children’s mobile applications for National Geographic to supporting GoDaddy’s transition from a private to a public company, Kim has developed and executed successful PR programs that have helped her clients achieve their goals.

As a Senior Vice President at Karbo Communications, Kim plays a strategic role on the TDK and 8th Wall accounts. She develops and executes strong PR strategy, acquires top tier media and analyst coverage, and creates strategic corporate and product content, including bylined articles, customer case studies, press materials, social media content, and more. In her time at Karbo Communications, she helped position software company ABBYY as a player in the AI space.

Prior to joining Karbo Communications, Kim worked at multi-national PR firms Bite Global and SHIFT Communications. Her industry experience includes data automation/AI, adtech, consumer technology, fintech, enterprise IT management, cyber security, cleantech, mobile tech, semiconductors and more. Kim’s clients have included GoDaddy, Couchbase, Beyond Analysis, Appirio, Demandbase, Lithium, and NerdWallet. She has also spent time as a sports marketer for her alma mater, the University of California, Davis. She holds a BA in communication.

Sian Hernandez

Senior Vice President

Spending most of her career immersed in the Silicon Valley and San Francisco Bay Area, Sian brings extensive technology experience to her role at Karbo Communications. She has provided strategic counsel to executives in a wide array of technology areas, including enterprise software, cloud, infrastructure, security, advertising technology, marketing platforms, streaming media, e-Commerce, Big Data, Business Intelligence and analytics, IoT, mobile and fin-tech. Hernandez has had the opportunity to counsel clients on market positioning, strategy, planning and tactical execution of campaigns, targeting a variety of audiences and decision makers including: C-Suite,  IT staff, Digital Transformation leaders, Line of Business and developers.

Her background reflects skill partnering with a range of companies from emerging tech startups to established enterprise players. She considers her “sweet spot” to be isolating unique market challenges and then designing strategic and integrated campaigns, grounded in research and paired with creative content, to achieve desired business objectives.

She has built trusted media relationships securing coverage in top publications such as: CNBC, Forbes, Fortune, and Wall Street Journal. Sian’s clients have included AppDynamics (now part of Cisco), Couchbase, Snowflake Computing, Dell Software, Neustar, Fujitsu America, Ooyala,  Sitecore and Wizeline.

At Karbo Com, Sian leads the Real Time Innovations (RTI), Penguin Computing, vFunction,  Worthix, Bubblehouse and Alpha Group (Subtext) accounts and plays an active role in new business.

Prior to joining Karbo Communications, Hernandez served as an Account Manager at Highwire PR specializing in enterprise technology communications. During this time, she led a communications team that helped to elevate the AppDynamics brand to an eventual $3.7 Billion acquisition by Cisco.  Hernandez began her public relations career at Eastwick Communications (now Hotwire PR).  She holds a B.S. degree in Business Administration from California State University at Stanislaus.

Courtney Stack

Creative Director

As Karbo Communications’ creative director, Courtney Stack leverages the power of smart storytelling and thoughtful design to forge meaningful connections, drive action, and deliver results for tech industry startups and leaders.

A communications director, creative producer, and experienced writer, designer, photographer, and artist, Courtney ensures client success as both a high-level strategist and hands-on content creator. With experience working at renowned publications including Vanity Fair, Interview, and WIRED, Courtney knows great content. Over a career spanning the technology, media, education, apparel, healthcare, and travel industries, Courtney has developed clever content for early stage startups to giants like Airbnb, designed campaigns for a Pulitzer Prize-winning nonprofit newsroom, pioneered game-changing partnerships with mega influencers and revered establishments like Rockefeller Center the Ace Hotel, and more.

At Karbo Communications, Courtney tailors her approach to meet client goals, delivering highly coordinated data-driven campaigns that are thoughtfully choreographed down to the last detail to ensure that every interaction with their brand is impactful.

Prior to joining Karbo Communications, Courtney served as head of marketing and communications at Beenest, a San Francisco-based tech startup innovating at the intersection of blockchain and the sharing economy.

She holds a B.A. in Creative Writing from The New School University.

Lauren Burge

Head of Media Strategy

With a strong background in providing strategic media direction for enterprise technology companies both large and small, Lauren brings valuable experience to her role as Head of Media Strategy at Karbo Communications. She has provided counsel to clients that operate in different areas such as cybersecurity, AI, fintech, healthcare, digital marketing, social media, Big Data, cloud, consumer, MarTech, developer relations, enterprise software, and networking. Lauren has had the opportunity to advise clients on executive thought leadership campaigns as well as product launches and marketing messaging. Lauren currently works with Karbo Com clients Subtext, Brevo, Hootsuite, and Treasury Prime.

She has established strong relationships with key reporters, leading to secured coverage in top tier publications, including Fast Company, Forbes, Fortune, TechCrunch, The New York Times, and Wall Street Journal. She’s previously worked with the following companies: AppDynamics, Bugcrowd, Couchbase, Clearsurance, Cradlepoint, Darktrace, GitLab, Harmony Helper, TDK, The Tylt, Qualys, Sunrun, and Wizeline.

Prior to joining Karbo Communications, Lauren held a position as an Account Associate at Highwire PR in San Francisco, where she specialized in enterprise technology, consumer technology, and cybersecurity communications. At Highwire PR, she managed and executed social media planning, created compelling speaking and award programs tailored for success and developed key data-driven narratives that aligned with core business objectives for a wide array of technology clients.

Madeline Kalicka

Account Director

At Karbo Com, Madeline works with high performance computing (HPC) and AI company, Penguin Solutions, high-performance fabrics solution provider, Cornelis Networks, award-winning conversation platform, Subtext and post-purchase technology provider, Shipup . As the day-to-day account lead, she is responsible for executing successful campaigns, media and analyst relations, thought leadership, content development and driving strategic counsel. She has worked to secure coverage for her clients in top tier publications including: Forbes, Wall Street Journal, TechCrunch,  VentureBeat and more.

Madeline previously worked with software framework provider for autonomous systems, RTI, privacy-first location technology company, Incognia,  edtech company Promethean, augmented reality (AR) software company, 8th Wall, multi-cloud connectivity company, Megaport, and global venture capital firm, 500 Startups.

Prior to joining Karbo Communications, Madeline served as a content marketing associate at BioInformatics LLC, a life science research and consulting firm. During her tenure, she built and managed rich content for the company blog, newsletters, press materials, webinars and report brochures. She also managed and created social media platform strategy and content, managed and grew CRM databases, and helped create successful outbound marketing programs, such as MailChimp email campaigns. All programs drove warm leads into the company’s sales pipeline. Prior to BioInformatics, Madeline worked in documentary film production.  

Madeline holds a B.S. degree in life science communications from the University of Wisconsin, Madison and is based in Washington, D.C.