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Management

  • Staff Headshot
  • Stefan Groschupf

    Chief Executive Officer

  • Chief Executive Officer
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  • Stefan Groschupf is a big data veteran and serial entrepreneur with strong roots in the open source community. He was one of the very few early contributors to Nutch, the open source project that spun out Hadoop, which 10 years later, is considered a 20 billion dollar business.

    Open source technologies designed and coded by Stefan can be found running in all 20 of the Fortune 20 companies in the world, and innovative open source technologies like Kafka, Storm, Katta and Spark, all rely on technology Stefan designed more than a half decade ago. In 2003, Groschupf was named one of the most innovative Germans under 30 by Stern Magazine.

    In 2013, Fast Company named Datameer, one of the most innovative companies in the world.

    Stefan is currently CEO and Chairman of Datameer, the company he co-founded in 2009 after several years of architecting and implementing distributed big data analytic systems for companies like Apple, EMI Music, Hoffmann La Roche, AT&T, the European Union, and others. After two years in the market, Datameer was commercially deployed in more than 30 percent of the Fortune 20.

    Stefan is a frequent conference speaker, contributor to industry publications and books, holds patents and is advising a set of startups on product, scale and operations. If not working, Stefan is backpacking, sea kayaking, kite boarding or mountain biking. He lives in San Francisco, California.

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  • Kenneth Jakobsen

    Chief Revenue Officer

  • Chief Revenue Officer
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  • As Chief Revenue Officer at Datameer, Kenneth Jakobsen leads all customer-facing functions, including sales, marketing and professional services.

    He is a seasoned veteran in enterprise software sales, operations and mobile analytics. Most recently, Kenneth served as chief operating officer at Roambi, a Sequoia-backed mobile analytics company, where he played a critical role in doubling cloud sales quarter over quarter, five quarters in a row. In his previous role at CA Technologies as vice president of on-demand solution sales, Kenneth was responsible for driving sales, business development and customer success and established the business unit growth to $120 million in five years.

    Kenneth holds an MBA from MIT Sloan School of Management and a Bachelor of Science in International Business and Economics from Copenhagen Business School.

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  • Frank Henze

    Vice President of Product Management

  • Vice President of Product Management
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  • Frank Henze is Vice President of Product Management at Datameer with over a decade of experience in building enterprise software systems.

    Prior to Datameer, Frank ran project management at 101tec, a supplier of Hadoop solutions and Nutch-based search and text classification software to industry-leading companies. His background includes user interface design and development as well as expertise in all of the leading-edge web technologies. He also has over five years experience in development of large-scale systems and search engine solutions for companies such as EMI Music, Sproose, Krugle and the German Environmental Agency.

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  • Peter Voss

    Chief Technology Officer

  • Chief Technology Officer
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  • Peter Voss is CTO at Datameer with extensive experience in software engineering and architecture of large-scale data processing. His focus has been largely on UNIX based enterprise systems with extensive background in Java, Spring, Hadoop, Lucene and Eclipse plug-in development.

    Prior to Datameer, Peter consulted on a number of big data business intelligence projects with companies such as EMI Music and Krugle. Earlier, he was architect and developer for Deutsche Post and their ePost project, a distributed production system that processed more than 1 billion letters per year. Peter studied biology and has a Diplom (i.e., a master’s degree) in biochemistry and bioinformatics from the University of Köln.

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  • Linda Esperance

    Vice President of People Operations

  • Vice President of People Operations
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  • Linda Esperance is Datameers’s Vice President responsible for global human resources and leads the design and implementation of high impact people strategies and solutions that accelerate Datameer’s growth.

    Linda brings an agile, entrepreneurial approach to people operations developed over 20 years of HR leadership at technology companies such as Sybase and Vocera Communications and as a founder and product manager of Bridgestream, a SW company acquired by Oracle. A VP, HR for over 8 years prior to joining Datameer, Linda’s focus is to link and optimize the contributions of our global teams and implement practices and infrastructure to attract great talent and bring out the best in our people.

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  • Matt McManus

    Vice President of Engineering

  • Vice President of Engineering
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  • Matt McManus leads the engineering team at Datameer, managing all aspects of product development, releases and quality assurance.

    Matt has been building enterprise software products for over 10 years with deep experience in architecture, software engineering and team management roles. Prior to joining Datameer, he led an engineering team at EMI Music, Inc., which delivered high quality business intelligence products using agile, behavior-driven development processes.

    Earlier, Matt held technical leadership positions with Genealogical Search, Inc. and Macrovision Corp. where he guided teams through all phases of product development from requirements gathering to deployment, successfully launching many Web-based products and services.

    He attended Boston University, where he earned a bachelor's degree in Computer Science.

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  • Jon Oslowski

    Vice President of Finance

  • Vice President of Finance
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  • Jon Oslowski is Vice President of Finance for Datameer with more than 12 years of public accounting and financial leadership experience.

    Previously, Jon was a Divisional Controller for Serious Energy, an energy management company with software and building materials divisions. Jon also spent six years in public accounting completing audits, reviews and compilations with CBIZ/MHM, one of the largest accounting firms in the US. As Vice President of Finance at Datameer, Jon specializes in GAAP accounting, financial analysis, forecasting, software revenue recognition, financial reporting and oversight, business plan implementation and financial modeling. Jon holds an MBA with a Graduate Certificate in Accounting from Westminster College in Salt Lake City, Utah and a Bachelor of Arts in Economics from Harvard University.

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  • Ralf Eiling

    Vice President of Design

  • Vice President of Design
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  • As Vice President of User Experience and Design, Ralf Eiling is responsible for enhancing Datameer’s user experience.

    With over 15 years of experience, Ralf has extensive knowledge of innovative Web and mobile applications that drive user adoption and has extensive background in interface design. He has held key design positions with Adobe, Disney and SAP and holds multiple design patents and award-winning design solutions.

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  • Mark Ferretti

    Vice President of Global Business Development & Channels

  • Vice President of Global Business Development & Channels
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  • Mark is the Vice President of Global Business Development & Channels for Datameer.

    Mark has over 25 years experience in the software industry with a focus on Business Intelligence and Analytics software. He has successfully led high-performance Global Alliance Organizations for such companies as CA, Cognos, IBM, Business Objects and QLIK. Mark holds a B.A. of Business Management form Molloy College and is based in New York.

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  • Brian Kocsy

    Vice President of Customers for Life

  • Vice President of Customers for Life
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  • Brian Kocsy leads the professional services and support teams to ensure our customers' success.

    Brian is execution focused, with a unique skill set spanning web scale data, search, yield optimization, advertising, and fraud. He comes to Datameer from Quixey, where he led content acquisition at the Alibaba-backed startup pioneering App Search and Deep Linking. Prior to Quixey, Brian worked at Microsoft, building big data analysis solutions to track down and prevent advertising fraud on Bing. In addition, Brian held significant services leadership positions at Macrovision and RAPT.

    Brian attended Lehigh University, where he earned a bachelor's degree in Mechanical Engineering.

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  • Frances Angulo

    Vice President of Education

  • Vice President of Education
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  • Frances leads Datameer's global education strategies and is focused on creating world-class learning experiences for employees, customers, and partners.

    Before tackling world-wide employee education, Frances was focused on building out and training the Datameer Support organization, where she and the team achieved 99% customer satisfaction rate, improved solve time by 30%, and decreased response time to the top 5th percentile in our industry. Prior to Datameer, Frances spent several years at Apple, Inc. where she designed and delivered training for their entire Global Retail team including Sales, Services, and Business associates. Frances also has a background in database management having worked as a data Librarian at Krugle Inc.

Board of Directors

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  • Ben Fu

    Partner

  • Partner
    Next World Capital
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  • Ben has experience in both venture capital investing and technology company operating roles. Ben was mostly recently a Principal with Scale Venture Partners.

    Prior to his six years in venture capital, he was a Senior Sales Engineer at Symantec and IMlogic, and worked in technical sales roles at Akamai.

    At Scale Venture Partners, Ben originated the investments in Box and uTest and worked closely with HubSpot, BrightRoll, and Jaspersoft. Ben lives in San Francisco.

    He holds an MEng and a B.S. in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology.

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  • Jeff Miller

    President

  • President
    JAMM Ventures
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  • Jeff Miller is an accomplished senior executive and venture capitalist with over 30 years of experience working with some of the hottest software companies in Silicon Valley.

    From 1993 to 2001, he served as president and chief executive officer of Documentum, one of the fastest growing technology companies in the world. Following the sale of Documentum to EMC for $1.8B in 2003, he was a venture partner with Redpoint Ventures, where he specialized in emerging enterprise and infrastructure software markets. Miller has also held senior executive positions at Fairchild Semiconductor, Intel, Adaptec, and Cadence Design Systems.

    Miller currently runs JAMM Ventures, a business consulting firm, which he founded, and serves on various company and non-profit Boards.

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  • John Walecka

    Founding Partner

  • Founding Partner
    Redpoint Ventures
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  • John Walecka is a Partner of Redpoint Ventures and is passionate about companies with disruptive products and innovative business models.

    John is very active in Redpoint's investment efforts around companies using big data insights to create new business applications, as well as innovative technologies for building cloud infrastructure and services. He is on the boards of the following companies: Quantifind (social media predictive analytics platform), Datameer (big data BI tools around Hadoop), Lastline Security (cloud based malware products), Moogsoft (big data applications applied to agile service management), InterMolecular (data driven combinatorial materials discovery platform) and Avnera (cool audio products).

    John received a B.S. and an M.S. in Engineering from Stanford University and a M.B.A. from the Stanford Graduate School of Business.

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  • Mark Burton

    Independent Board Member and Advisor at Datameer

  • Independent Board Member and Advisor at Datameer
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  • Mark brings with him three decades of operating and advisory experience to hyper-growth companies and his software success includes modern databases, data and application integration, business intelligence and monetizing of open source.

    His operating background includes an early executive role with Informatica where he helped grow revenues from $10 million to over $150 million in sales, resulting in a successful IPO in 1999. He was also EVP worldwide sales and alliances at MySQL where he contributed to the $1 billion acquisition by Sun Microsystems in 2008.

    Mark is concurrently serving as executive chairman at Zend Technologies, as well as an independent board member at MuleSoft and Infobright. In addition, he is a board observer and advisor to MongoDB and UpThere. Most recently, Mark was an independent board member at Jaspersoft (acquired by Tibco).

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  • Matt Murphy

    Managing Director at Menlo Ventures, Partner Emeritus at Kleiner Perkins Caufield & Byers

  • Managing Director at Menlo Ventures, Partner Emeritus at Kleiner Perkins Caufield & Byers
    Menlo Ventures / Kleiner Perkins Caufield & Byers
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  • Matt Murphy joined Menlo Ventures in 2015 as a Managing Director. He focuses on multi-stage investments across enterprise infrastructure and mobile-first applications. Matt is either a director or works closely with the management teams of AppDynamics, Drawbridge, Egnyte, Insidesales.com, InstartLogic, PernixData, Puppet Labs, SessionM, Shazam, and Simplivity.

    Previously, Matt was a General Partner at Kleiner Perkins Caufield & Byers for over 15 years In addition to investing in the companies above, he was observer at Google (from initial investment to IPO), launched the iFund in ’08 (a collaborative initiative with Apple to build the defining applications on the iOS platform), and led KPCB’s investments in AutoNavi (Nasdaq: AMAP, 2010) and Aerohive Networks (Nasdaq: HIVE, 2014). He also served as a director at Shopkick (acquired by SK Planet 2014), Ocarina Networks (acquired by Dell in 2010), and Peakstream (acquired by Google in 2008).

    Before joining KPCB, Matt worked at semiconductor startup Netboost (acquired by Intel) where he led product management, and prior to that at Sun Microsystems, where he led business development for the Network Systems Group and was a product line manager for networking platforms. Matt also worked in strategic and technical consulting for a number of years at Booz Allen Hamilton and Accenture.

    Matt holds a B.S. degree in electrical engineering from Tufts University and an M.B.A. from Stanford University’s Graduate School of Business. He serves as Vice Chairman of the Stanford University Engineering Venture Fund, is on the Board of Advisors for the Tufts University Electrical Engineering School.

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  • Nikhil Eapen

    Chief Strategy & Investment Officer,
    Senior Executive Vice President

  • Chief Strategy & Investment Officer,
    Senior Executive Vice President
    ST Telemedia
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  • As chief strategy & investment officer and executive vice president, Nikhil is responsible for new investments in ST Telemedia's existing core business areas and new growth areas across the CMT landscape. He's also responsible for formulating the company's overall strategy, corporate development activities and driving synergies across the group.

    Before joining ST Telemedia, Nikhil was head of Asia Pacific Technology, Media and Telecommunications Corporate & Investment Banking department at Citigroup. He spent almost 18 years at Citigroup since starting his investment banking career as a financial analyst at Salomon Brothers.

    Nikhil graduated from the University College London (UCL) with a Bachelor of Science (Honors) in Economics.

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  • Stefan Groschupf

    Chief Executive Officer

  • Chief Executive Officer
    Datameer
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  • Stefan Groschupf is a big data veteran and serial entrepreneur with strong roots in the open source community. He was one of the very few early contributors to Nutch, the open source project that spun off Hadoop, which 10 years later, is considered a 20 billion dollar business.

    Open source technologies designed and coded by Stefan can be found running in all 20 of the Fortune 20 companies in the world, and innovative open source technologies like Kafka, Storm, Katta and Spark, all rely on technology Stefan designed more than a half decade ago. In 2003, Groschupf was named one of the most innovative Germans under 30 by Stern Magazine.

    In 2013, Fast Company named Datameer, one of the most innovative companies in the world.

    Stefan is currently CEO and Chairman of Datameer, the company he co-founded in 2009 after several years of architecting and implementing distributed big data analytic systems for companies like Apple, EMI Music, Hoffmann La Roche, AT&T, the European Union, and others. After two years in the market, Datameer is commercially deployed in more than 30% of the Fortune 20.

    Stefan is a frequent conference speaker, contributor to industry publications and books, holds patents and is advising a set of startups on product, scale and operations. If not working, Stefan is backpacking, sea kayaking, kite boarding or mountain biking. He lives in San Francisco, California.

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  • Citi Ventures


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  • Citi Ventures is Citi's global corporate venturing arm, chartered to collaborate with internal and external partners to conceive, partner, launch, and scale new ventures that have the potential to disrupt and transform the financial services industry, drive client success, and generate new value for Citi.

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  • Kleiner Perkins Caufield & Byers


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  • Since its founding in 1972, Kleiner Perkins Caufield & Byers has backed entrepreneurs in over 600 ventures, including AOL, Amazon.com, Citrix, Compaq Computer, Electronic Arts, Genentech, Genomic Health, Google, Intuit, Juniper Networks, Netscape, Lotus, Sun Microsystems, Symantec, Verisign and Xilinx. KPCB portfolio companies employ more than 250,000 people. More than 150 of the firm's portfolio companies have gone public. Many other ventures have achieved success through mergers and acquisitions. The firm has offices in Menlo Park, California; Beijing, China; and Shanghai, China.

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  • Next World Capital


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  • Next World Capital (NWC) is an international, expansion-stage venture capital firm that invests in leading enterprise software, mobile and consumer internet companies.

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  • Redpoint Ventures


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  • Redpoint Ventures was founded in 1999 by partners from two of the top firms in the venture capital industry. The firm is focused on funding innovative companies that have the potential to define, lead, and change industries. Redpoint partners have many years of experience and success in technology investing; combined with this foundation, the firm is able to leverage a thriving network of entrepreneurs, partners, and industry experts to accelerate building market-leading companies. Redpoint is headquartered in Menlo Park, CA with offices in Los Angeles and Shanghai, China.

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  • Singapore Technologies Telemedia


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  • ST Telemedia (STT) is a strategic investor in communications, media and technology businesses around the world. It has an established track record of building and growing its investments into market leaders. STT's vast market experience and diverse industry capabilities enable the company to help its investments build competitive advantages and achieve sustainable business success.

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  • Software AG


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  • Software AG (FRA: SOW) helps organizations achieve their business objectives faster. The company's big data, integration and business process technologies enable customers to drive operational efficiency, modernize their systems and optimize processes for smarter decisions and better service. Building on over 40 years of customer-centric innovation, the company is ranked as a "leader" in fifteen market categories, fueled by core product families Adabas-Natural, Alfabet, Apama, ARIS, Terracotta and webMethods. Software A has around 5,300 employees in 70 countries and had revenues of more than €1 billion in 2012.

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  • TopTier


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  • Top Tier Capital Partners builds customized niche-focused investment programs. With $4.6 billion under management and advisory services, Top Tier offers fund of funds and customized solutions by investing in primary and secondary investments in venture capital and growth equity funds and co-investments in select portfolio companies.

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  • Workday


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  • Workday is a leading provider of enterprise cloud applications for human resources and finance. Founded in 2005, Workday delivers human capital management, financial management, and analytics applications designed for the world’s largest organizations. Hundreds of companies, ranging from medium-sized businesses to Fortune 50 enterprises, have selected Workday.