/Companies

Luminai

YC S20

San Francisco, US · Founded 2019 · 50 employees · Hiring · 23 known investors

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Luminai builds an AI-native operating system that unifies fragmented healthcare operational work streams to automate administrative and operational tasks across health systems. The platform addresses the rising cost of healthcare administration by automating interconnected work processes that previously required point solutions and large workforces.

Also known as DigitalBrain, Inc. · Digital Brain · DigitalBrain · DigitalBrain, Digital Brain, DigitalBrain, Luminai (formerly DigitalBrain) · Luminai (formerly DigitalBrain)

Founders & leadership· Y Combinator alumni (S20)

Luminai was founded in 2019 by Kesava Kirupa Dinakaran and Harsh Gupta.

KKKesava Kirupa Dinakaran
Kesava Kirupa DinakaranCEO and FounderKesava Dinakaran is the CEO of Luminai. He holds two world records in speedcubing competitions.30 Under 30 2023
HGHarsh Gupta
Harsh GuptaFounder
DD
Dmitry DolgopolovFounder
KD
Kesavakirupa DinakaranFounder
BLBrian Law
Brian LawSenior Software EngineerFounder at Covetly
KA
Karla AAdmin Team
JP
Joe PennRecruiter
MP
Mary PetrinoRecruiter
AJ
Anna JonesRecruiter
AS
Ashmeet Singh RekhiEPD Teamformer
DD
Dima Dolgopolov
JM
Jordan MichelHead of Talent and People Operationsformer

Investors · 23

avralisted by avraHillsborough

How we know: Y Combinator's founder network · Not right? Tell us

Underscore VClisted by Underscore VCBoston

How we know: Underscore VC's portfolio page · a partner's Signal profile · the VCSheet dataset · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Agrolimen Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

BasementreportedNew York

How we know: Y Combinator's founder network · Not right? Tell us

FootworkreportedSan Francisco · $1M – $15M

How we know: Y Combinator's founder network · Not right? Tell us

Sarona VenturesreportedTel Aviv

How we know: Y Combinator's founder network · Not right? Tell us

Thales InvestmentreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Valon Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$38M disclosed across 1 of 4 rounds · 2022–2026

Source: company announcements and press reports — follow each round's link for the claim.

Company profile

researched Aug 2026

Luminai operates an AI-native enterprise automation platform purpose-built for health system operations. The platform interprets unstructured healthcare inputs — faxes, EHR messages, handwritten and chart notes, payer policies and contracts — converts them into structured data, and executes end-to-end workflows across the systems of record that health systems already run. Rather than task-specific bots or point solutions, the company positions the product as an orchestration and intelligence layer spanning patient access, revenue cycle, compliance and other administrative functions. Named use cases include referral intake, provider inbox automation, patient registration, orders and referrals processing, pharmacy renewals, payor contract management, denial appeals and underpayment recovery. [0][1][5][7]

Technically, the platform combines healthcare-trained AI models, a configurable workflow engine and human-in-the-loop validation. Operational logic and standard operating procedures are encoded into versioned, auditable infrastructure so routing and exception decisions are consistent and traceable; when a process reaches an ambiguity, work is routed to a human team with full context and the resolution is fed back to improve the system. Deployment options include on-premises, customer-managed cloud or VPC, and managed infrastructure, with encrypted data, isolated execution, customer-owned credentials and stated alignment to HIPAA, SOC 2 and GDPR. [0][3][5]

The company frames the market problem as concentration of cost: U.S. hospitals spend over $1 trillion annually on operations, administrative costs have grown to nearly double the cost of direct patient care, and administrative activity is estimated to account for up to 25% of total healthcare spending. Luminai's stated approach is to solve one specialized workflow, demonstrate ROI, then add adjacent workflows on the same platform. [2][3][5]

Founding story

The company was founded in 2019 and went through Y Combinator's Summer 2020 batch, originally operating as DigitalBrain before rebranding to Luminai. Founder and CEO Kesava Kirupa Dinakaran, who previously built enterprise software and by his own account supported himself on hackathon prize money in Silicon Valley, describes entering healthcare and finding that operating costs were concentrated in roughly a dozen deeply interconnected work streams, each locked into its own fragmented ecosystem of systems and point solutions — the premise for building a single AI-native system to perform the work rather than manage it. [2][4]

Business model

Luminai sells its automation platform to large provider organizations, deploying an initial high-value workflow and then expanding to additional interconnected use cases on the same platform infrastructure; the company reports an average of seven use cases per customer. Deployment is offered on-premises, in a customer-managed cloud/VPC, or as managed infrastructure. [0][2][5]

Traction

Luminai reports more than 12 million workflow automations driven on its platform, an average of seven use cases per customer, an average time to value of 48 days and 5.3x ROI. It announced a partnership with Cleveland Clinic in April 2026, initially automating classification and routing of faxed referrals across thousands of possible destinations, with further use cases planned. Y Combinator lists a team size of 31 and multiple open roles based in San Mateo, CA. [0][3][4][6]

Latest developments

In April 2026 Luminai closed a $38 million Series B led by Peak XV Partners with Define Ventures, General Catalyst, Y Combinator and Scribble Ventures participating, taking total funding to $60 million, and announced its Cleveland Clinic partnership, covered in Forbes. Proceeds are earmarked for product capabilities, engineering and deployment team growth, and support for additional enterprise customers. In July 2026 Jordan Silvergleid joined as Head of Strategy, and in August 2026 the company announced the addition of Harry Kirschner. [3][5][6]

▸Full profile — market position, technology, go-to-market, geography, history

Market position

Luminai positions itself against narrow point solutions and task-specific bots as a platform-level orchestration layer for healthcare operations, a framing echoed by lead investor Peak XV Partners. Its enterprise validation point is a partnership with Cleveland Clinic, which serves over 15 million patients a year across 23 hospitals. [3][5][7]

The company differentiates on breadth rather than single-task automation: one AI-native platform that unifies interconnected operational work streams, encodes each health system's specific SOPs into auditable infrastructure, handles exceptions without breaking workflows, and compounds in value as additional use cases are added. It also emphasizes an engineering-led model with forward-deployed teams, contrasted with sales-heavy healthcare IT vendors. [2][3][5]

Technology

Healthcare-trained AI models paired with a configurable workflow engine, document classification and extraction for unstructured inputs, integrations with systems of record, versioned and auditable encoding of institutional operating logic, human-in-the-loop exception handling with feedback-driven learning loops, and flexible deployment (on-prem, VPC/customer-managed cloud, managed) with encryption, isolated execution and customer-owned credentials. The company cites HIPAA, SOC 2 and GDPR alignment. [0][3][5]

Go-to-market

The company uses forward-deployed engineering teams that embed with health system operators on the ground to design and launch workflows, aiming to deliver results within weeks and then expand workflow by workflow. Marketing is led by enterprise reference accounts such as Cleveland Clinic, along with conference presence including a panel led by the CEO at the ViVE healthcare conference. Its go-to-market leadership includes a Head of Commercial, Head of Deployments and Head of Strategy. [2][3][5]

Large U.S. health systems and provider organizations, particularly the roughly 200 health systems the company says deliver care to most Americans, whose average operating margins it cites at 0-2%. Earlier positioning also referenced customers across insurance, healthcare and financial services. [2][4][5]

Geography

Headquartered in San Francisco, with job listings based in San Mateo, California, and remote roles in the United States; customers and market focus are U.S. health systems. [4][5]

History

Founded in 2019 and part of Y Combinator's Summer 2020 batch, the company was previously known as DigitalBrain and in June 2022 was reported to have raised $16 million for a customer-support automation tool, having raised $20 million to date at that point while serving customers across insurance, healthcare, financial services and other sectors. It later focused on healthcare operations, and in April 2026 announced a $38 million Series B led by Peak XV Partners alongside a partnership with Cleveland Clinic, bringing total capital raised to $60 million. Subsequent 2026 announcements included the addition of Jordan Silvergleid as Head of Strategy in July 2026 and Harry Kirschner in August 2026. [3][4][5]

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Average time to valueApr 202648 days
Average use cases per customerJan 20267 use cases
ROIJan 20265.3x
Team sizeJan 202631 employees
Total capital raisedApr 2026$60M
Total funding raised (pre-Series B, per Y Combinator profile)Jan 2026$20M
Workflow automations driven by platformApr 202612,000,000 automations

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Founder mafia

5 people who came through Luminai went on to found or lead other companies.

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Companies working in the same space as Luminai.

Timeline · 7

launches, deals, and filings
Aug 2026
Harry Kirschner joins Luminai

source ↗

Jul 2026
Jordan Silvergleid joins as Head of Strategy

source ↗

Apr 2026
CEO leads panel on The New Guard of Digital Health at ViVE Healthcare Conference

source ↗

Apr 2026
Luminai raises $38M Series B led by Peak XV Partners

Luminai announced the close of a $38 million Series B led by Peak XV Partners (formerly Sequoia India & Southeast Asia), with new investor Define Ventures and existing backers General Catalyst, Y Combinator and Scribble Ventures, bringing total capital raised to $60 million. Proceeds will expand product capabilities and grow engineering and deployment teams.

$38M source ↗

Apr 2026
Partnership with Cleveland Clinic

Luminai announced a partnership with Cleveland Clinic, which serves over 15 million patients annually across 23 hospitals. The initial deployment processes incoming faxed referrals, classifying them and routing them to the appropriate destination while integrating with systems of record to trigger downstream automations, with additional use cases planned across the health system.

source ↗

Apr 2026
Introducing Luminai, the AI platform for health system operations

The company published a launch post describing its operational agent platform for health systems, covering unstructured data processing, encoding of institutional judgment into versioned auditable infrastructure, and continuous learning loops with human intervention.

source ↗

Jun 2022
Luminai (formerly DigitalBrain) reported to raise $16M for customer support automation tool

TechCrunch coverage, as listed on Luminai's Y Combinator profile, reported a $16 million investment in Luminai (formerly DigitalBrain) for an RPA-like customer support tool.

$16M source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Legal entities · 1

corporate structure
DigitalBrain, Inc.

In the news

▸Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Luminai do?
Luminai is an AI-native automation platform that runs end-to-end administrative and operational workflows for health systems.
Who founded Luminai?
Luminai was founded by Kesava Kirupa Dinakaran, Harsh Gupta in 2019.
Who are Luminai's investors?
Luminai's investors include avra, General Catalyst, Moxxie Ventures, Peak XV Partners, Scribble Ventures, Shrug Capital, Underscore VC, Unshackled Ventures and 15 more.
How much funding has Luminai raised?
Luminai has disclosed $38M raised across 1 of its 4 known rounds.
Where is Luminai headquartered?
Luminai is headquartered in San Francisco, US.