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William Kilmer Email & Phone Number

Venture Investor | Company Builder | Best-Selling Author of Transformative | Innovation Strategist at GALLOS Technologies
Location: Washington Dc-Baltimore Area, United States 39 work roles 4 schools
1 work email found @c5capital.com 6 phones found area 801, 949, and 888 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

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Role
Venture Investor | Company Builder | Best-Selling Author of Transformative | Innovation Strategist
Location
Washington Dc-Baltimore Area, United States

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William Kilmer is listed as Venture Investor | Company Builder | Best-Selling Author of Transformative | Innovation Strategist at GALLOS Technologies, based in Washington Dc-Baltimore Area, United States. AeroLeads shows a work email signal at c5capital.com, phone signal with area code 801, 949, 888, and a matched LinkedIn profile for William Kilmer.

William Kilmer previously worked as General Partner, Head of GALLOS Ventures at Gallos Technologies and Sr. Advisor, Investments and Co-building at Gallos Technologies. William Kilmer holds Mphil from University Of Warwick.

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{first}.{last}@c5capital.com
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Profile bio

About William Kilmer

I am a VC investor, founder/CEO, and author of Transformative, Build a game-changing strategy, Retool your organization, Innovate to win, available everywhere on September 27th, 2022. I help organizations focus on game-changing innovation, define a path to market leadership, accelerate new markets, and create a vibrant and challeng-setting culture. I help leaders cultivate an outsider's mindset to walk back through the door and reshape their organizations. I frequently speak on these and other topics.I work with early through later growth stage companies in cybersecurity, cloud infrastructure, digital enterprise software and Internet of Things (IoT) as an investor, board member, and advisor. I leverage my experience as an operator, including founder, CEO, CMO, CSO. Importantly, I bring a unique background to every company, investment, and engagement, including:- Experience on both sides of the table as an operator and as a venture capital investor- Broad international experience and a world-wide network in North America, Europe, the UK, Asia, and MENA- Work in diverse markets including SaaS, cybersecurity, semiconductors, wireless, healthcare products and services, financial services, and professional consulting - Strong transaction experience- Knowledge to help build the right organization and culture to find new opportunities, re-envision markets, and focus on execution- Some scars and great storiesHere is what colleagues have said about me:“William is a broad-skilled technology executive but has marketing running through his veins; whether that be product marketing, corporate positioning, or gorilla campaigns. Overarching these skills is his excellence as a communicator,” Simon Wilson, CEO and chairperson“An incredible leader and strategist. He has the ability to manage down to the individual project as well as create vision and strategy for the organization. He truly cares about the company, the people and the customers.” Choo Kim-Isgitt, marketing executive“A seasoned and well-rounded professional, bringing his various experiences in finance, marketing and as a CEO to the projects he is involved with.” Brad Rutledge, marketing and growth consultant“In my opinion he is one of the best Venture Capitalists I have ever come across.” Marcos Battisti, venture capital investor.

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William Kilmer's current company

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GALLOS Technologies
Gallos Technologies
Venture Investor | Company Builder | Best-Selling Author of Transformative | Innovation Strategist
AeroLeads page
39 roles · 28 years

William Kilmer work experience

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General Partner, Head Of Gallos Ventures

Current

> General management of Gallos Ventures, an early-stage investor in cybersecurity, artificial intelligence, data analytics, defensetech, sensors, and autonomous systems (UAVs) worldwide.> Responsibilities include fund investment strategy, fundraising, and investing in and building early-stage companies.> Serve as an advisor to Gallos Build, an internal venture studio.

Aug 2023 - Present

Sr. Advisor, Investments And Co-Building

Advising Gallos on early-stage venture investing and co-building new companies. Focus sectors include cybersecurity, artificial intelligence, data analytics, sensors, and autonomous systems (UAVs).

Sep 2022 - Oct 2023

Non Executive Director

Current

Reading, Berkshire, Gb

Non-executive/independent member of the board of directors. Work with the company on strategy, go-to-market, and product and service development. Chairman of the audit committee.

Oct 2022 - Present

Mentor And Advisor

Current

London, London, Gb

Volunteer to contribute to Plexal's Cyber Runway Growth and Scale cohorts. Work includes mentoring specific companies and leaders, advising in 1:1 coaching sessions. I also teach workshops to the cohort participants on building a foundation of culture and values, how to stage international sales expansion, and on fundraising.

Sep 2022 - Present

Author Of Best Selling Book, Transformative

Current

Transformative is an Amazon Business and Innovation Best Seller! It articulate how successful companies go from challenger to market leader by finding, building, and growing markets they can win. Further, it helps leaders in any industry create these opportunities for their organization by focusing on three key initiatives:- Building a game-changing strategy that creates new customer outcomes that shifts markets to their favor alters industry structure to create advantages.- Innovating to win by creating a path to market leadership which expands markets, creates new demand, and builds more attractive business models.- Retooling their organization for success by focusing on intentionality, building a culture that feeds strategy, and creating a challenge-setting organizationBased on years of research and examination of some of the most transformative companies of our times, Transformative is a hands-on guide providing readers with a framework to create their own transformative strategy, unlock innovation, create new advantages, and generate new market opportunities. Transformative is available September 27th, 2022 and is available for pre-order now. Find out more at http://www.williamkilmer.com/transformative.html

Oct 2018 - Present

Board Member

San Francisco, Ca, Us

Oomnitza provides the market leading platform to make Enterprise Technology Management simple and effective. They are used my more than 150 leading companies that represent over $3 trillion in market cap, including over 12 unicorn startups. Led the Series B round with $12M investment.

Jul 2021 - May 2022

Board Member

San Francisco, Ca, Us

Provider of mobile application and mobile security platforms.

Jun 2020 - May 2022

Board Member

Redwood City, California, Us

AI-based provider of cybersecurity testing as a service. Led the Series D round with $20M investments.

Mar 2020 - May 2022

Board Member

Palo Alto, California, Us

Real-time streaming provider for enterprise applications. Led Series D round with $12.5M investment.

May 2019 - May 2022

Board Member

Redwood City, California, Us

Cybersecurity threat intelligence provider. Led Series B and C investment rounds.

Apr 2019 - May 2022

Mentor And Instructor

Cyber Accelerator

Early-stage accelerator focused on investing and scaling startups in space, digital enterprise, and cybersecurity.- Taught classes on strategy and innovation, organizational culture, and creating challenged-based organizations.- Provided mentorship and feedback to portfolio companies- Advised on go-to-market initiatives

Jun 2019 - Apr 2022

Managing Partner

Cyber Partners

Led the investment strategy and activity for Cyber Partners II, a venture and early-stage growth fund investing in cybersecurity, cloud infrastructure, and the digital enterprise in the US, UK, Europe, and Israel. Successfully fundraised to target with leading investors, including institutions and family offices and led the investment into eight companies generating top-quartile returns for a 2018 vintage fund.- Led fundraising efforts in US, UK, and Europe with key investors- Created investment focus and key criteria for investment- Developed investment themes for organization - Set origination and deal flow strategy for finding and winning key deals in cybersecurity, cloud infrastructure, and digital enterprise- Invested in eight companies, leading or managing the investment process personally, including term sheets and negotiation, due diligence, and deal close and integration- Assisted in creating more than $80M in co-investment opportunities for LPs- Led value creation efforts helping companies with business development, go-to-market, executive recruiting, and international expansion- Served on the board or advised boards and executives of 10+ portfolio companies- Frequently coached CEOs and management teams in hands-on manner- Built strong deal syndication network- Developed processes for deal process and approvals, fund reporting, valuation methodologies- Served as point person for investor relations in working with LPs, including reporting, presentations, and providing market updates- Acted as the key thought leader for organization with regular articles featured in TechCrunch, Private Equity International, Crunchbase, and regular speaking at events- Developed ongoing market expertise in cybersecurity including AI-based security, cloud, threat intelligence, endpoint, mobile and application security, as well as digital enterprise and infrastructure

Mar 2018 - Apr 2022

Board Member

Luxembourg, Luxembourg, Lu

Pan-European cybersecurity platform provider with business in the UK, Sweden, and Germany. Our goal is to develop then next generation of leading companies in the cyber security market with a strategy rolling up multiple companies into a single solution provider to develop a superior solution and scale operations.

Mar 2018 - Dec 2020

Executive Chairman And Interim Ceo

London, London, Gb

Served as interim CEO to transition the management team and build new company strategy for cybersecurity managed services.- Led organization focused on cyber security advisory and managed services in the UK, US, and Europe.- Acheived YoY revenue growth of 50%, exceeding plan for growth and profitability- Refocused organization to build capabilities around mid-tier market in the UK- Prioritized launch of managed detection and response and third-party risk management solutions- Oversaw changes and additions to leadership team including new CEO, COO, CTO, and CPO- Successfully integrated two acquisitions and advised on third in US, UK, and Europe

Mar 2018 - Jan 2019

Go-To-Market And Growth Advisor

Advisor

Work as C-level advisor and interim executive on strategy, marketing, sales, transactions, and go-to-market related work. Work with companies to access new markets and accelerate growth. Example projects included:-Assisting data analytics company with strategy to adapt solutions to new target markets-Identifying and analyzing IoT analytics and security opportunities for venture-incubator fund -Developing go-to-market solutions and building team for SaaS company entering the US market-Reworking company/product positioning and value proposition vs competitors for software provider-Developing go-to-market strategy for security and analytics companies

Jun 2015 - Mar 2018

Advisory Board Member

Cirius Messaging Inc.

Strategic, marketing, and business development advisory.

2012 - Feb 2018

Operating Partner

Salt Lake City, Utah, Us

- Advisory and board positions for growth fund portfolio companies- Worked with fintech, enterprise, and healthcare software organizations- Focus on executive team hiring and coaching, growth acceleration and building out data analytics strategy and team- Worked on fund geographic expansion and strategy

Oct 2015 - Oct 2016

Advisor

Frost Data Capital

Worked on interim basis to develop solutions that intersect between data analytics, security, and the Internet of Things (IoT). My work included problem identification, hypothesis creation and validation, and development of product-market fit.

Jun 2015 - Oct 2015

Integration Advisor

Chicago, Il, Us

Consultant to Motorola Solutions on PublicEngines integration, including, product roadmap, sales, and customer acquisition/retention.

Apr 2015 - Sep 2015

Ceo And Chairman

Publicengines

Provider of geo-spatial temporal and predictive analytics to leading enterprises and governments in the US and other Five Eyes countries.-Tripled company revenue and reached positive cash flow by focusing company on cloud-based data analytics, launching predictive analytics product, rebuilding sales model, and creating a content-based marketing competency-Created data science competency, predictive analytics and social media intelligence IP-Hired new senior management team and sales organization -Led sales to major new customer wins including with federal and international customers-Received two Inc. 500/5000 awards for fastest growing companies in the US-Acquired by Motorola in April 2015

Mar 2012 - Apr 2015

Non-Executive Director/Board Member

Midvale, Ut, Us

-Non-executive director-Provided security industry expertise-Advisory work on strategy, marketing, positioning, lead generation, acquisition-Acquired October 2013

Jan 2012 - Oct 2013

Chief Marketing Officer

Chicago, Il, Us

Responsible for product management, worldwide marketing, corporate strategy. Accomplishments include:-Led development of company strategy in roll up of four independent companies. -Led product integration strategy and key areas of focus for development-Rebuilt marketing and product management teams-Focused marketing and lead programs which led to more than 200% market growth in key target markets.-Created and successfully launched new company name and brand, enhancing WW brand recognition.-Delivered successful launch of cloud-based (SaaS) services.-Led analyst and press efforts which led to significant coverage and industry awards.-Company success led to acquisition by Trustwave in 2012.

Mar 2009 - Feb 2012

Board Of Directors

Pleasant Grove, Utah, Us

Independent board member for SaaS provider of voice services for next generation wireless broadband (LTE, WiMAX) operators in North and Central Americas.

Apr 2009 - Sep 2011

Non-Exec Board Member

Freedom4 Wireless

Freedom4 Wireless, (FKA Pipex Wireless) is a next generation wireless broadband provider targeting consumers, professionals, and small-medium enterprises in the UK, offering true, untethered broadband access. The company is backed by over $25M in venture capital. I am one of the founders of Pipex Wireless and sit as a non-executive member of the board of directors.

Mar 2006 - Feb 2010

Ceo

Us

Advanced threat detection company providing deep malware detection services.- Successfully launched cloud-based security service for advanced threats- Managed product roadmap, technology development, and significant IP position- Positioned company as acquisition target through new cloud security service- Drove partnerships with major vendors including Symantec and Microsoft- Managed and negotiated company exit through roll up into M86 Security (FKA 8e6)

Nov 2006 - Mar 2009

Managing Director, Uk, Europe And The Middle East

Santa Clara, California, Us

Managed the European 15-person CVC investment team for Intel Capital, the corporate venture group of Intel Corporation, based in London. Extensive experience managing venturing strategy and support for key technology initiatives. Alignment with corporate strategy and extension of technology initiatives. Countries under management included UK, Ireland, Western Europe, and the Middle East, Turkey, and Northern Africa. Responsibilities included dealflow, team management and investment strategy and investment decisions within deal team. Personal investment made during this time included Dibcom, Picochip, and Pipex Wireless. Launched the Intel Capital Middle East, Turkey, and Africa Fund.

Dec 2003 - Nov 2006

Director Of Strategic Investments

Santa Clara, California, Us

Managed investments in networking, security, silicon and software sectors. Defined investment and acquisition strategy for supporting product groups. Completed more than a dozen equity investments, as well as acquisitions, technology buyouts, and corporate spin outs. Oversaw and managed multiple exits in the US, Israel, and Europe with an overall IRR greater than 40%.

Oct 1999 - Dec 2003

Corporate Spokesperson

Santa Clara, California, Us

Corporation spokesperson/author on small business and technology. Appeared on national and regional television and radio, keynote addresses, press briefings, and editorials. Promotion of book, Getting Your Business Wired.

Apr 1999 - Dec 1999

Director Of Strategic Marketing

Santa Clara, California, Us

Investigated new technology and market opportunities, with primary focus on converged voice/data market. Created business unit strategic plans. Develop key relationships and negotiated alliances and licenses with third parties.

Nov 1998 - Oct 1999

New Product Strategy Manager

Santa Clara, California, Us

Managed business unit product strategy. Spearheaded new product category, successfully launching network appliance concept in industry. Managed key relationships with internal and external strategic partners. Managed cross-organizational research and market segment targeting.

Oct 1997 - Nov 1998

Book Author

Getting Your Business Wired

Author of small business technology book, published by Amacom press in 1999. Appeared on national and television and radio broadcasts, keynote addresses, and press editorials to promote small business use of networking, the Internet and e-commerce.

Apr 1999 - Apr 2006

Board Of Directors

Dibcom
2005 - 2006 ~1 yr

Board Of Directors

Us

Acquired by Intel in 2004

2003 - 2004 ~1 yr

Board Of Directors

In

Merged with Hughes Software, Acquired by Flextronics

2002 - 2004 ~2 yrs

Board Of Directors

Us

Acquired by LSI in 2007

2002 - 2004 ~2 yrs

Board Of Directors

Us

Acquired by Check Point

2001 - 2004 ~3 yrs

Board Of Directors

Entercept

Acquired by McAfee in 2003

1999 - 2003 ~4 yrs

Director Of Product Management And Marketing

Directed research, targeting, and execution of new company strategy to new, high-growth markets. Managed product marketing and marketing communications strategy and budgets. Developed new product line of layer two switches and routers. Initiated and developed relationships leading to company acquisition.

Sep 1995 - Oct 1997
4 education records

William Kilmer education

Mphil

University Of Warwick

Strategic Management Of Technology And Innovation

Rensselaer Polytechnic Institute

Mba, Strategy And Quantitative Methods

Brigham Young University

Bs, Economics And Computer Science

Binghamton University
FAQ

Frequently asked questions about William Kilmer

Quick answers generated from the profile data available on this page.

What company does William Kilmer work for?

William Kilmer works for GALLOS Technologies.

What is William Kilmer's role at GALLOS Technologies?

William Kilmer is listed as Venture Investor | Company Builder | Best-Selling Author of Transformative | Innovation Strategist at GALLOS Technologies.

What is William Kilmer's email address?

AeroLeads has found 1 work email signal at @c5capital.com for William Kilmer at GALLOS Technologies.

What is William Kilmer's phone number?

AeroLeads has found 6 phone signal(s) with area code 801, 949, 888 for William Kilmer at GALLOS Technologies.

Where is William Kilmer based?

William Kilmer is based in Washington Dc-Baltimore Area, United States while working with GALLOS Technologies.

What companies has William Kilmer worked for?

William Kilmer has worked for Gallos Technologies, Falanx Cyber, Plexal Cyber, William Kilmer, and Oomnitza.

How can I contact William Kilmer?

You can use AeroLeads to view verified contact signals for William Kilmer at GALLOS Technologies, including work email, phone, and LinkedIn data when available.

What schools did William Kilmer attend?

William Kilmer holds Mphil from University Of Warwick.

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