Home
Loading

aVenture is in Alpha: During this preview period, you should expect the research data to be limited and may not yet meet our exacting standards. We've made the decision to provide early access to our data to showcase the product as we build, but you should not yet rely upon it alone for your investment decisions.

aVenture is in Alpha: During this preview period, you should expect the research data to be limited and may not yet meet our exacting standards. We've made the decision to provide early access to our data to showcase the product as we build, but you should not yet rely upon it alone for your investment decisions.

Get in touch

  • Contact

  • Request a demo

  • Request data updates

  • Add a company

Research

  • Companies

  • Investors

  • People

aVenture

  • Sitemap

  • Feature requests

Member

Backed by

© aVenture Investment Company, 2026. All rights reserved.

San Francisco, CA, USA

Privacy Policy

aVenture Investment Company ("aVenture") is an independent research platform providing detailed analysis and data on startups, venture capital investments, and key industry individuals. It is not a registered investment adviser, broker-dealer, or investment advisor and does not provide investment advice or recommendations. The data provided by aVenture does not constitute recommendations or advice, whether by methodology, analysis, AI-generated content, or a statement written by a staff member of aVenture.

aVenture is not affiliated with any of the people, companies, organizations, government agencies, regulatory bodies, or investment funds we provide coverage for on this site unless explicitly stated otherwise. Users assume full responsibility for decisions made based on information obtained from this platform. Links to external websites do not imply endorsement or affiliation with aVenture. Any links that provide the ability to invest in a primary or secondary transaction in a company are for convenience only and do not constitute solicitations or offers to buy or sell an investment. Investors should exercise heightened precaution and due diligence when investing in private companies, especially those not independently audited.

While we strive to provide valuable insights with objectivity and professional diligence, we cannot guarantee the accuracy of the information provided on our platform. Before making any investment decisions, you should verify the accuracy of all pertinent details for your decision. To the fullest extent permitted by law, aVenture shall not be liable for any direct, indirect, incidental, consequential, or financial damages arising from use of this site, whether by consumers of its contents directly or by persons or organizations covered by our research, even if we are advised of the possibility. Our best-efforts processes and correction request forms do not create a warranty or duty of care.

Profiles on this platform may include content generated in part by large language models (LLMs, artificial intelligence) that aggregate publicly available sources (e.g., SEC EDGAR, public filings, press releases). Source attribution is provided where known; always verify statements and claims here against original sources before relying on any data. Content on our site may contain inaccuracies, omissions, or what are commonly called 'hallucinations' if generated in part or in full by AI / LLMs. The risk can also exist even when content is written by a human, as internal and third-party sources may also have inaccuracies for the same or different reasons. While we randomly audit a proportion of content, this is not exhaustive.

We recommend that an independent auditor be hired to verify the accuracy of the information before relying on it for any sensitive decisions. By accessing this platform, you agree not to rely solely on any information generated by AI, aggregated, or sourced or written otherwise on this site, for investment, financial, or other decisions. aVenture assumes no responsibility for inaccuracies, omissions, or hallucinations. You must independently verify all data from primary sources. Use of this platform constitutes your waiver of claims for reliance-based damages, including negligent misrepresentation. To report an error, request a correction, or dispute information about a company or individual, contact us via our request data updates form.

Loading homepage
Loading
Loading
Home›
Research›
People›
William James
AddedMar 31, 2024
UpdatedMay 31, 2026
William James

William James

Co-Founder, RockPort Capital

Crunchbase

William James's Career

RockPort Capital
RockPort Capital

Boston, MA, US

Co-Founder
MicroSeismic
MicroSeismic

Houston, TX, US

Board Member· Board

Create your profile now and gain access to exclusive deals and high-potential startups.

aVenture product preview
aVenture product preview
aVenture product preview

William James's Career

RockPort Capital
RockPort Capital
Investment FirmInvestment Firm131998Boston, MA, US
Co-Founder

Leadership at RockPort Capital

David J. PrendDavid J. PrendCo-Founder

Similar to RockPort Capital

Triangle Peak PartnersTriangle Peak PartnersPalo Alto, CA, USest. 2008Triangle Peak PartnersPalo Alto, CA, US · est. 2008

Triangle Peak Partners is a venture capital firm backing growth-stage technology, clean tech, and energy companies.

Investment Firm30
Rockport EquityRockport EquityNew York City, NY, USest. 2019Rockport EquityNew York City, NY, US · est. 2019

Rockport: A real estate investment firm specializing in multifamily property management and acquisitions.

Investment Firm · $70k5
EnerTech CapitalEnerTech CapitalBrea, CA, USest. 1996EnerTech CapitalBrea, CA, US · est. 1996

EnerTech Capital: An investment firm specializing in energy sector startups and growth-stage ventures.

Investment Firm125
Firstrock CapitalFirstrock CapitalNew York City, NY, USest. 2016Firstrock CapitalNew York City, NY, US · est. 2016

Firstrock Capital: A US-based VC firm investing in tech startups across diverse industries.

Investment Firm3
MicroSeismic
MicroSeismic
Private Equity$2M3752003Houston, TX, US
Board Member· Board

Leadership at MicroSeismic

Hythem T. El-NazerHythem T. El-NazerBoard Member
Peter M. DuncanPeter M. DuncanBoard Member
Jameson J. McJunkinJameson J. McJunkinBoard Member
Dirk McDermottDirk McDermottBoard Member
John J KennedyJohn J KennedyBoard Member
Todd WilsonTodd WilsonBoard Member

William James's Similar Executives & Operators

Achmad ZakyAchmad ZakyCo-Founder · BukalapakJay Geoffrey WacherJay Geoffrey WacherBoard Member · BukalapakLau Eng BoonLau Eng BoonBoard Member · BukalapakNugroho HerucahyonoNugroho HerucahyonoCo-Founder · BukalapakSoemantri BrodjonegoroSoemantri BrodjonegoroBoard Member · BukalapakChi-hyung SongChi-hyung SongBoard Member · DunamuHaeil YiHaeil YiCo-Founder · DunamuHyoung-nyon KimHyoung-nyon KimCo-Founder · Dunamu

People Similar to William James

Peder BrattPeder BrattBoard Member · Apex International EnergyChristopher E. CavanaghChristopher E. CavanaghBoard Member · dscoutJames BellinghamJames BellinghamBoard Member · ThayerMahanThomas ThalerThomas ThalerBoard Member · MicroOptxTodd WardenTodd WardenCo-Founder · Harbor Light Capital PartnersMichael WalshMichael WalshBoard Member · CrowdStreet