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Boldstart Ventures

Miami, Florida · Invests in US; UK; MENA · Website

Check size

$250K-$15M

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Pre-SeedSeedSeries ASeries BB2B SaaSAI & Machine LearningDeveloper ToolsCybersecuritySales & Marketing TechRoboticsEnterprise SoftwareDeveloper Tools & InfrastructureSecurity & CybersecurityMarketing & AdtechRobotics & Automation

Thesis

We invest in bold technical founders building the autonomous enterprise. Before you build your team, before you write your first line of code—that's when boldstart gets to work. We collaborate with technical founders at Inception, lead pre-product rounds, and help turn bold ideas into category-creating companies.

Likely not a fit for

No consumer apps, non-technical founding teams, pure hardware plays, or founders not deeply committed to solving a specific problem they've experienced

How they invest

Lead or follow
Usually leads
Typical decision
~1 week
Warm intro
Not required
Involvement
Takes a board seat
Fund status
Actively deploying
Assets under mgmt
$1.1B
Decision process
Partnership vote

Partners & team

6 contacts on file

EC

Ellen Chisa

Partner · Primary contact

EA

Ernest Addison

Senior Associate

ES

Ed Sim

Founder and General Partner

ED

Eliot Durbin

General Partner

CC

Charlotte Chapanoff

Head of Marketing & Global Events

JM

Jennifer Moy

Chief Operating Officer

Portfolio

Topos BioBiotech Life Sciences

Topos Bio is an AI-powered biotechnology company developing therapies for intrinsically disordered proteins (IDPs). The company has created an AI-native drug discovery platform that models protein ensembles to tackle previously undruggable targets associated with diseases like Alzheimer's and cancer.

HumanixSecurity Cyber

Humanix provides a solution to detect and respond to social engineering attacks using conversational AI trained on the psychology of manipulation, offering real-time protection for organizations against human-targeted cyber threats.

KeycardEnterprise Software

Unified Identity Infrastructure for AI Agents, enabling secure and trusted access for AI applications.

Waldo
Noded
GeneralistRobotics Automation

Generalist is a frontier AI robotics research and product company focused on making general-purpose robots a reality. They build embodied foundation models that enable robots to intelligently interact with the physical world, emphasizing dexterity and advanced physical interaction capabilities.

SnykSecurity Cyber

Snyk provides an AI-driven security platform that helps developers secure their code, manage vulnerabilities in open source dependencies, and protect containerized applications throughout the software development lifecycle.

ClayEnterprise Software

Clay is an AI-driven sales and marketing company that provides data enrichment, workflow automation, and AI tools to improve go-to-market efficiency.

CrewAIEnterprise Software

CrewAI is a leading multi-agent platform that simplifies the orchestration of collaborative AI agents, enabling enterprises to manage teams that perform complex tasks autonomously and reliably. With tools like CrewAI Flows, the platform allows for structured automation and flexibility, empowering developers to create efficient workflows for AI applications.

TesslDeveloper Tools Infra

Tessl is an agent enablement platform that enhances the performance of agents by providing versioned context and evaluations, improving API usage and reducing integration errors.

Protect AISecurity Cyber

Protect AI provides a platform for securing AI models and applications, focusing on proactive security measures to protect against evolving threats.

RecoSecurity Cyber

Reco is a dynamic SaaS security platform that enhances security posture, manages data exposure, and governs identities across the SaaS lifecycle.

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Research briefRead more
Boldstart Ventures: Inception Partner for the Autonomous Enterprise Investment Thesis Boldstart Ventures is dedicated to partnering with bold technical founders building the autonomous enterprise—companies that reimagine how businesses operate using AI-native infrastructure, security, applications, and models. The fund's core belief is captured in their philosophy: "Before you build your team, before you write your first line of code, before you even take your first check—that's when boldstart gets to work." Founded by Ed Sim and built over more than 10 years, Boldstart pioneered the "Inception Investing" model, backing founders from day zero before company creation, before product exists, and before first revenue. This pre-product, pre-seed focus distinguishes them from traditional seed VCs who wait for initial traction. Boldstart serves as a true believer and cofounder-like partner, collaborating with technical founders to navigate the ambiguous early path from napkin sketch to Series A. Sector & Technology Focus Primary Sectors: Enterprise Software & Infrastructure Developer Tools & Infrastructure AI/ML and Autonomous Systems Security & Cybersecurity Applications powered by AI Technology Tags: AI/ML LLM (Large Language Models) Infrastructure & DevOps AI Agents Security/Cybersecurity Notable Sub-Sectors: AI-native software development platforms (Tessl) Agentic platforms for enterprise workflows (Noded, WALDO, Keycard) AI security & ML model protection (Protect AI, Humanix) Infrastructure for AI agents (Agentuity) Autonomous systems and robotics (Generalist) Enterprise data and security (Reco, Harbr Data) Developer tools and observability (Grepr, Baz, MemphisDev) AI-powered reliability and compliance platforms Not Invested: Boldstart explicitly avoids consumer apps, pure gaming, hardware-only plays, and non-technical founding teams. Stage & Check Size Focus Stage Preferences: Pre-Seed and Seed (Inception stage, typically $250K-$5M first checks) Check Size: Typical range: $500K - $5M for Inception/Seed rounds Pre-product investments: $250K-$500K Early product investments: $1M-$3M Series A participation: $5M-$15M (selective follow-ons) Decision Process: Partnership-based model. Ed Sim and team lead sourcing and diligence. Partnership culture emphasizes consensus and long-term founder relationships. Recent Activity & Fund Status Fund VII: "Inception Reloaded" ($250M) Announced: July 8, 2025 Status: Actively deploying Focus: Backing technical founders building the autonomous enterprise Track record: Fund VII built on success of previous funds, with $1.1B in aggregate AUM across all funds Recent Investments (2025-2026): Jan 8, 2026: Topos Bio (Seed) - Drug discovery using AI, genomics focus Dec 30, 2025: Announced 2025 recap with strong deployment activity Nov 12, 2025: Humanix (Series A co-invest) - Human threat detection/social engineering response Oct 21, 2025: Keycard (Series A) - Identity platform for AI agents Sept 24, 2025: WALDO (Series A) - Agentic platform for marketing agencies Aug 7, 2025: Kustomer (Series B) - Customer service automation July 8, 2025: Fund VII announcement April 28, 2025: Protect AI exits for $700M+ to Palo Alto Networks (inception investment, 2022) Portfolio Activity: Multiple exits through acquisitions (Protect AI→Palo Alto Networks, Kustomer→Meta, Snyk valuations) 240+ portfolio companies across all fund vintages Heavy participation in recent autonomous enterprise and AI-focused rounds Portfolio Highlights Major Exits: Protect AI (acquired by Palo Alto Networks, 2025) - $700M+ Kustomer (acquired by Meta, 2023) - $1B+ Superhuman (acquired by Grammarly, 2022) Snyk (valuations reaching $8B+) Optic (acquired by Atlassian) Stellate (acquired by Shopify) Jeli (acquired by PagerDuty) Active Portfolio (Recent Investments): Snyk - Developer-first security platform ($8B+ valuation) Clay - GTM automation with AI ($3.1B valuation, $100M Series B, 2025) CrewAI - Multi-agent AI automation platform Tessl - AI-native software development platform Generalist - AI robotics with OpenAI/DeepMind team Keycard - AI agent identity & access platform Humanix - AI-powered social engineering defense Uare.ai - Individual AI platform/digital twin Topos Bio - AI-driven drug discovery Reco - Dynamic SaaS security Agentuity - Cloud infrastructure for AI agents Grepr - Reliability platform for AI-powered world Baz - AI-powered code review Noded - AI-native customer journey platform Portfolio Characteristics: Strong technical founders, mission-driven, many with prior exits or hyperscaler experience (Google, OpenAI, Salesforce, Dell). Team Core Team: Ed Sim - Founder and General Partner 28 years in venture capital Co-founded Dawntreader Ventures (1998), led inception investments Prior notable investments: Greenplum (→EMC/Pivotal IPO), GoToMeeting (→Citrix), LivePerson (IPO) Ranked #1 on Business Insider Seed 100 (2023, 2024) Forbes Midas Seed List Top 10 (4 consecutive years: 2021-2025) Harvard College, D1 lacrosse player Newsletter author: "What's 🔥 in Enterprise IT/VC" Eliot Durbin - General Partner 10+ years leading first rounds in enterprise startups Co-founded Penny Black (private investment firm, 2008) Founded Templates.com (→sold 2002) Georgetown University, Columbia postgraduate study Focus: Product-focused founders, GTM expertise Ellen Chisa - Partner Joined boldstart (2021) after founding Dark (pre-product IDE) Prior: Lola (travel tooling), Kickstarter, Microsoft (Office Mobile) MBA, Harvard Business School BS, Electrical & Computer Engineering, Olin College Focus: Pre-product, dev-focused, enterprise companies Support Team: Ernest Addison - Senior Associate Charlotte Chapanoff - Head of Marketing & Global Events Jennifer Moy - Chief Operating Officer Total Team: 8 core team members Geographic Focus Primary: San Francisco Bay Area, Miami, Florida (HQ) Secondary: US (NYC, Seattle) International: Selective investments in Europe and Israel Decision Process & Timeline Decision Process: Partnership-based consensus model Timeline: Fast decision-making for Inception stage (reported 1-2 weeks for strong founders) Warm Intro: Helpful but not strictly required; Boldstart sources actively Board Involvement: Ed Sim sits on boards of Snyk, Keycard, Tessl, Blockdaemon; typical for co-founder-like involvement Founder Preferences Ideal Founder Profile: Technical founders (engineers, product-focused developers) Founders solving problems they've experienced themselves Mission-driven with determination to see vision through Experience at hyperscale companies (Google, OpenAI, Salesforce, etc.) a plus "A chip on their shoulder"—founders who think about the problem constantly Preferably pre-product or very early product Anti-Profile: Non-technical teams, consumer-focused founders, commodity builders Lead Tendency Leads: Consistently leads Inception/first rounds and series rounds for portfolio companies. Strong conviction and deep involvement from day one. Investor Co-Investment Patterns Frequently co-invests with: Insight Partners, Andreessen Horowitz (a16z), Mayfield, Acrew Capital, Battery, Redpoint Consortium approach to larger rounds Maintains reserve capital for follow-on investments Notable Programs & Initiatives Inception Investing - Proprietary model for pre-product funding Enterprise Founder Toolkit - Resources for founders building enterprise companies Fastforward Newsletter Archive - Thoughtful commentary on VC and startup trends Technical Founder Summit - Annual event (most recent: Feb 2025, "AI giveth and AI taketh away") MState - Co-founded enterprise blockchain lab with IBM (early investment: Fireblocks) Fund History Fund I: Early stage (1998-2000s) Dawntreader era (1998-2013) Fund II-VI: Multiple vehicles through 2010s-2020s Opportunities Fund III: $175M (mentioned in reports) Fund VII: $250M (July 2025) - Latest, focused on autonomous enterprise AUM & Capital Total AUM: $1.1B+ across all funds Fund VII: $250M (as of July 2025) Actively deploying: Multiple fund vintages with dry powder Key Competitive Differentiators Earliest Stage Focus - Inception before product, pre-money rounds Cofounder-like Partnership - Deep operational involvement vs. transactional investors 20+ Year Track Record - Long history with multiple exits and successful fund cycles Technical Credibility - Team includes founders and technical experts Curator Network - Early adopter network to help with initial customer acquisition Brand & Recognition - Ed Sim's prominent position in industry (Midas List, Seed 100)

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