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Arnulf Hsu Email & Phone Number

3x SaaS Founder, 2x public company exits, CTO, Board Member, Startup Advisor at GReminders
Location: Irvine, California, United States 8 work roles 1 school
1 work email found @pgi.com 4 phones found area 626 and 866 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email a****@pgi.com
Direct phone (626) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
3x SaaS Founder, 2x public company exits, CTO, Board Member, Startup Advisor
Location
Irvine, California, United States

Who is Arnulf Hsu? Overview

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Quick answer

Arnulf Hsu is listed as 3x SaaS Founder, 2x public company exits, CTO, Board Member, Startup Advisor at GReminders, based in Irvine, California, United States. AeroLeads shows a work email signal at pgi.com, phone signal with area code 626, 866, and a matched LinkedIn profile for Arnulf Hsu.

Arnulf Hsu previously worked as CEO at Greminders and CTO, Board Member and Co-Founder at Salesdirector.Ai (Acquired By Asx: Bth, Bigtincan). Arnulf Hsu holds Electrical Engineering from Uc Irvine.

Company email context

Email format at GReminders

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{first}.{last}@pgi.com
86% confidence

AeroLeads found 1 current-domain work email signal for Arnulf Hsu. Compare company email patterns before reaching out.

Profile bio

About Arnulf Hsu

Arnulf is a serial entrepreneur and has been leading and running B2B enterprise software companies for the last 20 plus years, as CEO, CTO, Product Leader and Board Member. He has a unique consistent ability to evaluate business problems or customer pain and translate that into solutions customers love. He sits at the intersection of business, product and technology. His experience spans early-stage start-ups to acquisition, having sold 3 companies, including a product data business to NASDAQ:CNET in 2002, a leading SaaS Collaboration company Central Desktop to NYSE:PGI in 2014, and most recently SalesDirector.ai to Bigtincan (ASX:BTH) in 2022. He is also an active advisor to early stage technology companies.

Listed skills include Saas, Cloud Computing, Enterprise Software, Start Ups, and 14 others.

Current workplace

Arnulf Hsu's current company

Company context helps verify the profile and gives searchers a useful next step.

GReminders
Greminders
3x SaaS Founder, 2x public company exits, CTO, Board Member, Startup Advisor
AeroLeads page
8 roles · 26 years

Arnulf Hsu work experience

A career timeline built from the work history available for this profile.

Ceo

Current

GReminders is one of the leading Scheduling and SMS Reminder platforms for Professionals. Ranked #32 fastest growing Software Product by G2 in 2023. Heavy focus on Financial Services #wealthtech and Healthcare industries.

Mar 2024 - Present

Cto, Board Member And Co-Founder

Current
Salesdirector.Ai (Acquired By Asx: Bth, Bigtincan)

Most advanced AI based Sales Forecasting and Sales Coaching Platform for Enterprise Sales Teams.Exited to Bigtincan Jan 2023 (ASX:BTH)

Jan 2017 - Present

Cto - Central Desktop, A Pgi Company

Pgi

Alpharetta, GA, US

Oct 2014 - Nov 2016

Cto, Board Member & Co-Founder

Central Desktop Inc. (Acquired By Nyse:Pgi)

Built initial SaaS project collaboration platform from the ground up. Grew the company from 2 founders to over 100 employees. Over the years raised $10MM+ in venture rounds. Led Product, Engineering, Design and Company Strategy. Migrated the company from a horizontal self service business to a more vertically focused enterprise sale over several years..

Jun 2005 - Oct 2014

Ceo & Founder

Onlywire (Acquired)

Social Bookmarking and SEO Platform, used by hundreds of thousands of marketing professionals every day. Built initial platform from the ground up. https://www.onlywire.com/

2005 - 2006 ~1 yr

Director Of Product Development

San Francisco, CA, US

Ran Global Product Management for CNET Content Solutions. Worked with hundreds of major e-commerce partners including CDW, Dell, Hewlett-Packard, Ingram Micro, Insight, Microsoft, OfficeMax, PC World Business, and Tech Data.

May 2002 - Jun 2005

Chairman, President And Ceo

Upgradebase (Acquired By Nasdaq: Cnet)

Original Founder of Upgradebase, provider of rich product content and content management solutions. The venture backed company offered solutions that power e-commerce, information portals, configuration engines, and marketplaces, some of our customers included Dell, Ingram Micro, Staples, CDW, etc… Grew business from one to over 80 employees with offices.

Jun 1998 - May 2002

President & Founder

Vendorbase.Com (Acquired By Tradeloop)

Built Leading Member and Subscription based B2B Marketplace for IT & Telecom Buyers & Sellers. Oversaw company direction, engineering and product development efforts.http://vendorbase.com/Exited to Tradeloop

2000 - 2002 ~2 yrs
1 education record

Arnulf Hsu education

  • Uc Irvine
    Uc Irvine
    Electrical Engineering
FAQ

Frequently asked questions about Arnulf Hsu

Quick answers generated from the profile data available on this page.

What company does Arnulf Hsu work for?

Arnulf Hsu works for GReminders.

What is Arnulf Hsu's role at GReminders?

Arnulf Hsu is listed as 3x SaaS Founder, 2x public company exits, CTO, Board Member, Startup Advisor at GReminders.

What is Arnulf Hsu's email address?

AeroLeads has found 1 work email signal at @pgi.com for Arnulf Hsu at GReminders.

What is Arnulf Hsu's phone number?

AeroLeads has found 4 phone signal(s) with area code 626, 866 for Arnulf Hsu at GReminders.

Where is Arnulf Hsu based?

Arnulf Hsu is based in Irvine, California, United States while working with GReminders.

What companies has Arnulf Hsu worked for?

Arnulf Hsu has worked for Greminders, Salesdirector.Ai (Acquired By Asx: Bth, Bigtincan), Pgi, Central Desktop Inc. (Acquired By Nyse:Pgi), and Onlywire (Acquired).

How can I contact Arnulf Hsu?

You can use AeroLeads to view verified contact signals for Arnulf Hsu at GReminders, including work email, phone, and LinkedIn data when available.

What schools did Arnulf Hsu attend?

Arnulf Hsu holds Electrical Engineering from Uc Irvine.

What skills is Arnulf Hsu known for?

Arnulf Hsu is listed with skills including Saas, Cloud Computing, Enterprise Software, Start Ups, Product Development, Product Management, Strategic Partnerships, and Scrum.

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