Our Team
Our guides are excited to work with you and your teams.
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Tash Jefferies
Tash is a sales and growth marketing expert who has more than a decade's experience mentoring startups. As a mentor with 500 Global Tash has worked with startups across Europe, MENA, Asia, and North America, helping them improve product-market fit, customer personas, sales, marketing, and operations.
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Justyna Jastrzebska
Using the Silicon Valley playbook and 16 years of experience, Justyna helps startups around the world accelerate company growth by building a scalable and repeatable marketing function through a systematic approach to thinking, problem-solving, and acting on growth initiatives. All this enables them to reach their next round of funding faster.
Justyna has run 20 VC accelerator programs globally, enabling 750+ companies (750+) to achieve exponential growth, expand their business to new countries. Most of all, she has helped these companies secure next rounds of funding ranging from $1 million to $20 million dollars.
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Candice Tait
Candice is a Finance Director with a passion for helping VC and PE backed companies enhance their knowledge of financial information to drive growth. She has experience working with startups and SMEs in the technology, retail, publishing, and education sectors. Candice served as Director of Finance at Lyft and is a seasoned mentor with 500 Global. If anyone can make numbers and spreadsheets fun, it's Candice!
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Naresh Parshotam
Naresh is a global, growth-driven product marketing executive with an uncanny ability to cut through the noise and create high impact messaging and positioning that drives companies to new levels of growth. He has expertise in a wide variety of verticals for both startups and enterprise companies including IT, Cyber Security, Finance, and Healthcare. Credited with growing multiple businesses from zero to $15M+ revenue in short periods to acquisition.
Naresh has invested in and raised +$30M in financing for 4 projects, including three Series A rounds and has developed 8+ products from concept that successfully went to market, generating +$30M in pre-acquisition revenue.
Naresh is a valued and seasoned mentor to startups looking to scale. An experienced mentor, Naresh is known for his outstanding strategic, analytical and problem-solving skills. Naresh is an inspirational leader able to hire, motivate, and empower teams to drive growth through relentless customer focus.
Naresh's notable startup to acquisition exits include nLayers, Inc. which was acquired by EMC; Vialto, Inc. by Cisco; CuraSoft, Inc. by BindView, and Patrol Software by BMC.
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Richard MacDonald Jr.
An internationally experienced founder, consulting partner at PwC, and consulting executive at Cisco, Richard has successfully grown businesses and led and delivered highly complex multi-year digital transformation programs for global companies around the world.
As co-founder of PwC's US Communications Industry consulting practice, Richard was instrumental in growing the practice to $200M in three years. He also co-founded PwC's US Market & Customer Management consulting practice, which grew to over $100M in three years. Moving to Hong Kong, Richard founded PwC's Asia Pacific Market & Customer Management consulting practice, which reached $53 million in two years.
Richard is highly adept at building relationships with CxO's to scope, sell, negotiate, and deliver work which exceeds expectations and provides significant value such as improving the customer experience, growing revenue, increasing market share, and reducing costs.
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Kyler Murlas
As a veteran advisor and Entrepreneur in Residence with 500 Global's SF Accelerator, Kyler works with founders on customer development, finding poduct-market fit, and scaling growth channels. Asco-founder of Lion Studios, a mobile game publishing division of AppLoving, Kyler launched 6 games that reached #1 on iOS and Android, resulting in +600M game installs, and also created two of the Top 10 Games of 2018.
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Brad Garsten
As a design thinker and transformational leader, Brad starts with the big picture in mind, then work's backwards to determine the strategies, actions and relationships needed to consistently capture market share and growth. Brad has accelerated revenue growth, market scale and profitability for startups and publicly traded companies.
A few of Brad's many notable areas of expertise include: Product Led Growth, CyberSecutiry, IoT & Industry 4.0, SaaS GTM, Ecosystem & Strategy Development, Consumer Privacy, and Sales Enablement.
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Juan Felipe Campos
Juan Felipe Campos has 10+ years experience as a serial entrepreneur, founder, CEO, growth expert and investor. He has mentored countless start-ups and founders, acting as advisor, mentor, and lecturer for start-ups and accelerators worldwide.
His growth work includes generating +100M views on LinkedIn for executives and consultants to Disney, Google, Netflix, Comedy Central, CNN, and many more.
Juan has advised Loft - Raised $788M USD, Fiverr.com - Raised $111M USD (IPO NYSE: FVRR), AppOmni - Raised $53M USD led by Salesforce Ventures, Admix - Raised $35.5M USD, Flip - Raised $31.8M USD, Macrometa - Raised $27.9 USD and Upland - Raised $20M USD.
Juan teaches at Google Launchpad, UC Berkeley, 500 Global, Next47 and Draper University.
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Rebecca Holland
Rebecca Holland has worked as a journalist for 10 years, writing for publications including The New York Times, Washington Post, The Guardian, Conde Nast Traveler, Travel + Leisure, Food & Wine, Forbes and more. Her work has reached more than 100 million readers across the world.
Her marketing and communications work includes a wide range of global clients from Scott’s Cheap Flights to the United Nations, Technomic, Inc., Enterprise, and Kimpton Hotels. She has helped these brands reach new clients, update their marketing strategy, and create engaging content.
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Adriana Vergara
Director of human resources.