Tagged: conversational-ai
30 results
Tour24
Tour24 is a Boston-based proptech company that gives apartment renters a self-guided way to tour multifamily communities on their own schedule - day or night, with or without a leasing agent present. Its mobile app combines curated audio/visual tour guides, Bluetooth-beacon room tracking, smart-lock access control and an analytics dashboard so property operators can keep leasing 'always open.' Founded in 2020 by serial proptech entrepreneur Georgianna W. Oliver, the platform now serves hundreds of thousands of units across roughly 2,000 U.S. properties and in 2025 added Tori, a conversational AI tour assistant.
Twilio
Twilio is a cloud communications company that gives software developers programmable APIs to add messaging, voice, email, video, and authentication to their applications. Founded in 2008 and headquartered in San Francisco, it has grown from a pay-as-you-go SMS and voice API into a broad customer-engagement platform that pairs those channels with Segment's customer data platform and a growing set of AI-driven tools. Twilio is publicly traded on the NYSE under the ticker TWLO and serves developers and enterprises across nearly every industry.
The Freight Data You Already Owned, Finally Talking Back
Pallet Atlas is a data intelligence platform for logistics that ingests operational data from TMS, WMS, ERP systems, email, and documents, then normalizes and connects customers, subsidiaries, facilities, lanes, and contracts into a single network model. It enriches that model with outside signals like spot rates, lane density, distribution center locations, and weather, and lets operators ask plain-English questions to surface hidden revenue opportunities in seconds instead of days.
Vectara
Vectara is a Palo Alto-based enterprise AI company building a trusted, end-to-end platform for retrieval-augmented generation (RAG) and AI agents. Founded in 2022 by former Google AI researchers, it lets companies embed grounded, citation-backed GenAI - conversational assistants, semantic search, and agents - into their products while actively detecting and correcting hallucinations at runtime. Its stack includes the Boomerang embedding model, the RAG-tuned Mockingbird LLM, the open-source Hughes Hallucination Evaluation Model (HHEM), and a Guardian Agent layer, positioning Vectara as a leader in factual, secure, compliance-ready enterprise AI.
Redbird
Redbird is a New York-based, AI-powered workflow automation and analytics platform that lets non-technical business teams connect their data, run analysis, and generate reports through a conversational, ChatGPT-like interface - no code required. Founded by the husband-and-wife team of Erin and Deren Tavgac (originally as Cube Analytics), the company builds AI agents that automate roughly 90% of the repetitive analytics, operations, and reporting work that normally clogs enterprise teams. Backed by Y Combinator and a $7.6M seed round led by B Capital, Redbird counts eight Fortune 50 companies among its customers.
Pieter de Villiers
Pieter de Villiers is the Co-Founder and CEO of Clickatell, the company that invented the world's first SMS API in 2000 with four lines of code and went on to pioneer chat banking and chat commerce globally. Based in Stellenbosch, South Africa, he led Clickatell to become the first African startup backed by Sequoia Capital, raised over $118 million in total funding, and built a platform that processes roughly 9 billion messages monthly for more than 10,000 enterprise clients across 220+ countries. He also chairs SiMODiSA, a non-profit focused on digital skills development and startup acceleration in Africa.
Kyron Learning
Kyron Learning is an AI education company building an interactive video platform that turns recorded lessons into two-way tutoring conversations. Teachers record instruction once; the platform's conversational AI then understands what a learner types or says, detects misconceptions in real time, and serves the matching teacher response - approximating one-on-one tutoring at roughly a tenth of the cost of a live tutor. Founded in 2022 by former Google Cloud AI VP Rajen Sheth and Qwiklabs founder Enis Konuk, the public benefit company raised a $14.6M Series A in December 2023 to open its platform to any learning provider.
Ryan Janssen
Ryan Janssen is the Co-founder and CEO of Zenlytic, a New York-based AI-powered business intelligence platform that lets non-technical users query data in plain English. A former McKinsey consultant and 6-year venture capital investor with advanced degrees from Harvard and Oxford, Ryan co-founded Zenlytic in 2020 alongside CTO Paul Blankley after spotting a gap: companies had modern data infrastructure but no accessible way to use it. Zenlytic has raised $15.4M including a $9M Series A in 2024 led by M13, and its AI analyst Zoe can now onboard itself autonomously to any data warehouse.
Bin Zhao
Bin 'Tony' Zhao is the founder, CEO, and Chairman of Agora (NASDAQ: API), the Real-Time Engagement Platform-as-a-Service he built after 20 years on the frontlines of internet voice and video - from being a founding engineer at WebEx to CTO of JOYY with 300 million users. Founded in 2013, Agora now powers over 80 billion minutes of real-time engagement monthly, supplied the audio backbone for Clubhouse's viral moment, and in 2025 launched a Conversational AI Engine bridging human voice and large language models.
Daily
Daily is a San Francisco developer platform for real-time voice, video, and AI. Founded in 2016 by Kwindla Hultman Kramer and Nina Kuruvilla, the company runs a global WebRTC mesh that powers video calling for products like Pitch, AppFolio, Kumospace, and HotDoc, and it created Pipecat - the open-source orchestration framework now used as the backbone for production voice agents at companies like NVIDIA, Cresta, and Epic.
Deepgram
Deepgram builds foundational voice AI - speech-to-text, text-to-speech, and full voice-agent APIs - used by more than 1,300 enterprises including NASA, Spotify, Twilio and Citibank to give machines the ability to listen, understand, and respond in real time.
Gorgias
Gorgias is a conversational AI and helpdesk platform built for ecommerce brands. It unifies email, chat, SMS, voice and social into one inbox, then layers an AI Agent that resolves a majority of tickets automatically while turning support into a revenue channel.
Anand Prajapati
Anand Prajapati is Co-Founder and CTO of Leena AI, an enterprise agentic AI platform that deploys AI colleagues to automate back-office work across HR, IT, Finance, and Procurement. A graduate of IIT Delhi, Anand built Leena AI's technology from scratch after two earlier startup pivots, guiding the company through Y Combinator's Summer 2018 batch to a $30M Series B led by Bessemer Venture Partners. Today Leena AI's platform serves 400+ enterprise customers across 90+ countries - including Nestlé, Coca-Cola, and Sony - resolving millions of employee queries autonomously across 100+ languages.
Anil Dharni
Anil Dharni is the CEO and Co-Founder of Sense, a San Francisco-based AI-powered talent engagement platform that serves over 1,000 organizations. Before reshaping how companies hire, he co-founded Funzio, the mobile gaming studio behind 'Crime City' and 'Modern War,' which sold to GREE for $210 million in 2012. At Sense, backed by SoftBank with $106 million raised and a $500M valuation, he is on a mission to humanize the contingent workforce and make candidates feel genuinely valued through AI, automation, and omnichannel communication.
Chase Kim
Chase Kim is a startup founder who spent years deep inside Sendbird, the messaging infrastructure company powering conversations for DoorDash, Reddit, and Hinge, where he led the forward deployment team during Sendbird's critical 2024 pivot into AI agents for customer experience. In 2026, he co-founded Light Anchor (YC P26) with Sangha Park to build fully autonomous e-commerce brands run entirely by AI agents, betting that the future of consumer business is capped by compute, not headcount.
Gadi Shamia
Gadi Shamia is the CEO and co-founder of Replicant, a voice AI platform that automates customer service calls at enterprise scale. A serial entrepreneur who sold his first company (TopManage) to SAP, helped EchoSign sell to Adobe for $400M, and scaled Talkdesk from seed to unicorn as COO, he brings two decades of building and scaling B2B software companies to the challenge of replacing traditional IVR systems with natural-sounding, AI-driven conversations. Under his leadership, Replicant has automated over 1 billion minutes of customer interactions and raised $113M in funding.
Masa Shimizu
Masahiro 'Masa' Shimizu is the Founder & CEO of ZEALS Co., Ltd. and Omakase.ai, the Japanese pioneer of Chat Commerce. He started ZEALS as a Meiji University freshman in 2014 with robots and a mission to 'elevate Japan,' pivoted to chatbots within one month of Facebook opening its Messenger API in 2016, built Japan's #1 social chat commerce platform with 300+ employees and $69M+ raised, and is now taking that same hospitality-first philosophy — what he calls 'Omotenashi' — into voice-powered AI agents for global e-commerce through Omakase.ai.
Michael Gilson
Michael Gilson is the CEO of Conversica, the San Francisco-based conversational AI company behind over 1.5 billion automated customer conversations. Appointed in April 2025, he has repositioned Conversica as 'The Conversation Company,' expanding its AI agent platform from sales automation into automotive data intelligence, sports and entertainment ticketing, and enterprise customer lifecycle management. A Princeton graduate with a background spanning enterprise SaaS, media technology at Telestream, and data analytics at Wiser Solutions, Gilson brings operator instincts to a company that pioneered AI-to-human conversation at scale.
Mayank Goyal
Mayank Goyal is the Co-Founder and Chief Scientist (Head of AI) at Leena AI, an enterprise agentic AI platform that automates HR, IT, and Finance support for organizations worldwide. An IIT Delhi alumnus in Production and Industrial Engineering, Mayank co-founded ChatterOn in 2015 with Adit Jain and Anand Prajapati before pivoting to Leena AI in 2017 after noticing large enterprises like Coca-Cola and Vodafone using their chatbot platform for internal support. Leena AI joined Y Combinator's Summer 2018 batch, raised $40M+ across multiple rounds including a $30M Series B led by Bessemer Venture Partners, and now serves 500+ enterprise customers across 90+ countries, reaching 3+ million employees. Mayank leads the AI research and product intelligence that powers Leena AI's pre-built AI colleagues - Gavin (HR), Miles (IT), and Harper (Finance).
Melissa Gordon
Melissa Gordon is the CEO of Rasa, the enterprise conversational AI platform powering two of the world's three largest banks and downloaded over 50 million times by developers. A two-time NCAA Division I All-American pole vaulter at Stanford and a near-decade Oracle veteran, she joined Rasa in February 2022 and has since led the company through a strategic pivot to generative AI, launching CALM (Conversational AI with Language Models) and raising a $30M Series C in February 2024 co-led by StepStone Group and PayPal Ventures.
Raghu Ravinutala
Raghu Ravinutala is the co-founder and CEO of Yellow.ai, an enterprise-grade conversational AI platform that automates customer and employee experiences at scale. A former IC design engineer turned AI entrepreneur, he built Yellow.ai into a $500M-valued company serving 1,300+ enterprises across 85+ countries, with $79.5M in annual revenue and over $102M raised. Under his leadership, Yellow.ai developed proprietary LLM technology and a multi-LLM architecture trained on 16 billion conversations annually, processing support in 135+ languages across 35+ channels.
PolyAI
PolyAI builds enterprise voice assistants that answer customer calls and handle them end-to-end. The London- and San Francisco-based company spun out of Cambridge's dialogue systems lab in 2017, and now runs AI agents in 18 languages for brands like Marriott, Caesars, PG&E, FedEx and Hopper.
Sierra
Sierra is a San Francisco AI company building conversational agents that handle customer interactions for enterprises. Founded by Bret Taylor and Clay Bavor in 2023, it serves more than 40% of the Fortune 50 and was last valued at $15.8 billion after a $950M Series E in May 2026.
Vapi
Vapi is a San Francisco developer platform for building, testing, and deploying conversational voice AI agents over phone and web. It abstracts the messy plumbing of speech-to-text, LLMs, text-to-speech, and telephony so developers can ship human-sounding voice agents in minutes, with sub-500ms latency and enterprise-grade compliance.
Voximplant
Voximplant is a cloud communications and voice AI orchestration platform that lets developers and enterprises add programmable voice, video, messaging and AI agents to their apps without managing telecom infrastructure. Spun out of click-to-call pioneer Zingaya, it powers billions of calls a year for brands like Hyundai, Burger King, KFC, Glovo and Rappi.
Ping Wu
Ping Wu is the CEO of Cresta, a Sunnyvale-based AI company transforming contact centers with generative AI. Before leading Cresta, Wu spent 14 years at Google where he co-founded the Contact Center AI (CCAI) Solution and Vertex AI platform. He holds a PhD in Computer Science from UC Santa Barbara and a BS from Fudan University. Under his leadership, Cresta raised a $125M Series D in November 2024 and quadrupled its ARR, serving enterprise clients like United Airlines and Cox Communications.
Decagon
Decagon is a San Francisco-based enterprise AI company building conversational agents that handle customer support across chat, email, voice and SMS. Its platform, anchored by Agent Operating Procedures (AOPs), lets companies define complex workflows in natural language and apply them consistently across channels. Customers include Hertz, Chime, Notion, Duolingo, Rippling, Bilt, Oura, Eventbrite and Affirm.
Speak
Speak is an AI-powered language learning app that gets users speaking out loud from day one. Backed by OpenAI's Startup Fund, Accel, Khosla Ventures and Y Combinator, the San Francisco company reached unicorn status in December 2024 after raising a $78M Series C at a $1B valuation. Its AI tutor offers unlimited conversational practice and instant feedback to over 10 million learners.
Toma
Toma builds AI voice agents that answer the phone for U.S. car dealerships, booking service appointments, fielding parts requests, and saving BDC teams hundreds of hours a week. Founded by Monik Pamecha and Anthony Krivonos in early 2024, the company has raised a $17M Series A from Andreessen Horowitz and is approaching eight-figure ARR with more than 100 dealership customers.
Eric Jang
Eric Seyoung Jang is the Founder and CEO of DeepBrain AI, a Palo Alto-based company building hyper-realistic AI avatars, video synthesis technology, and conversational AI systems. Inspired by AlphaGo's 2016 defeat of Go champion Lee Sedol, he pivoted from fintech to artificial intelligence and built what became the first company to commercially deploy video synthesis at scale - from AI news anchors in Chinese broadcast studios to AI bankers in Korean bank branches. Under his leadership, DeepBrain AI raised $44M in Series B funding at a $180M valuation and set its sights on becoming the world's leading generative AI enterprise.