300+ investors in your industry, stage, and region Get
Any industry
Video Games
Hospitality
EdTech
Restaurants
Google
Construction
Photography
Cryptocurrency
Clean Energy
CleanTech
Big Data
Email
Artificial Intelligence
Social Impact
SaaS
Energy
Mobile
Consumer
Health Care
Enterprise Software
Local
Platforms
Travel
InsurTech
Retail
Oil and Gas
Payments
Film
Fitness
Marketplace
Organic Food
Machine Learning
Agriculture (AgTech)
Gaming
B2B
Facebook
Blockchain
Social Network
Medical Device
Education
Wellness
Sports
Automotive
eSports
Legal
Biotechnology
Software
Renewable Energy
Crowdfunding
Recruiting
Web3
Medical
Theatre
Venture Capital
Social
Infrastructure
Beauty
Fashion
Climate
Life Science
Food and Beverage
Publishing
Mobile Apps
Wine and Spirits
Music
Art
Real Estate
Sporting Goods
Manufacturing
FinTech
Finance
Digital Media
Social Media
Financial Services
Franchise
Non Profit
Internet
Mobile Advertising
Android
Proptech
Impact
Sustainability
Hardware
Biotech
Transportation
Enterprise
Community
Media (Entertainment)
LGBT
Cannabis
Celebrity
Any country
Afghanistan
Greece
United Kingdom
Thailand
United Arab Emirates
Andorra
Benin
South Korea
Japan
Burkina Faso
Africa
Singapore
Brazil
Gibraltar
Egypt
Taiwan
Zimbabwe
Tunisia
Sweden
Oceania
Hong Kong
Nigeria
Togo
Croatia
Iran
Guinea
Haiti
Kyrgyzstan
Norway
Lesotho
Isle of Man
Liberia
Malawi
Nepal
Mexico
Madagascar
Russian Federation
Sudan
Pakistan
Tajikistan
Zambia
Romania
LATAM
Oman
Puerto Rico
Poland
Cameroon
Guernsey
Colombia
Armenia
China
Costa Rica
Czech Republic
Kenya
Kuwait
Marshall Islands
Luxembourg
Malta
Mozambique
Namibia
Mauritius
Nicaragua
Panama
Serbia
Uzbekistan
Australia
New Zealand
Morocco
Saudi Arabia
Sri Lanka
Jamaica
Guatemala
Switzerland
Kazakhstan
Cayman Islands
Venezuela
Myanmar
Uganda
Turkey
Uruguay
Moldova
Botswana
Seychelles
Paraguay
Canada
South Africa
France
Denmark
Georgia
Ghana
Iraq
Latvia
Mali
Malaysia
Philippines
Portugal
Rwanda
Sierra Leone
El Salvador
Senegal
Tanzania
India
Ireland
Germany
United States
Indonesia
Middle East
Dominican Republic
Bermuda
Asia
Albania
Spain
Argentina
Bangladesh
Europe
Barbados
Belgium
Jordan
Ethiopia
Austria
Azerbaijan
Bulgaria
Qatar
Ecuador
Faroe Islands
Jersey
Bahrain
Estonia
Angola
Cyprus
Bahamas
Bolivia
Belize
Algeria
Italy
Belarus
Finland
Hungary
Grenada
Israel
Lithuania
Liechtenstein
Honduras
Iceland
Cambodia
Lebanon
Mongolia
Peru
Slovenia
San Marino
Ukraine
Chile
Vietnam
Angel Investors
VC Funds
All Investors
Access Full Database - Free Forever
Open database
Harold E. Kruth, Member at Sierra Angels

Harold E. Kruth

Member @ Sierra Angels

Harold E. Kruth is a Series A investor at Sierra Angels focused on Cloud Computing and Service Industry. Mr. Kruth is an entrepreneurial executive with 20 years of experience in venture investment, general management, marketing, sales, licensing, intellectual property management, new business creation and financing for international technology-based businesses. He was one of the top four executives responsible for transforming the business andexecuting a highly-successful $2+ Billion IPO of QinetiQ Group plc (United Kingdom), returning more than $700 million to outside investors. Mr. Kruth is an active founder, promoter, mentor, early-stage investor, and/or active board member of forty-four spin-outs and other early-stage businesses. He is a member of Sierra Angels.

Total investments:
1
Last investment:
Lead investor:
0%

Last updated:

Industries Harold E. Kruth invests in

Cloud ComputingService IndustryEnterprise Software

Stages Harold E. Kruth invests in

Series A

Countries Harold E. Kruth invests in

United States

Contacts

TypeContactValidation
Work email
Personal email
Work phone
Personal phone
Socials

Sign up to unlock verified contacts

Unlock Contacts

Investment Focus

Industry

  • Cloud Computing 1 (100%)
  • Service Industry 1 (100%)
  • Enterprise Software 1 (100%)

Investments

CompanyDescriptionRoundLinks
Glue Networks specializes in providing an enterprise-grade cloud networking service. Glue Virtual Office is available to enterprise customers through partnerships between Glue Networks and top service providers and value-added resellers. It was founded in 2007 and headquartered in Sacramento, California. $4.5M / Series A / Mar 03, 2011

Co-Investors

Sierra Angels

About Sierra Angels

VC Fund · Incline Village, United States

Founded in 1997, Sierra Angels is a premier angel investment group in Northern Nevada. Headquartered at Lake Tahoe, Nevada, they are located in one of the most business-friendly states in the country.Sierra Angels is the premier angel investment group in the Northern Sierra region. They provide early stage investments in promising technologyventures and support the entrepreneurs they fund with mentoring and connections.Sierra Angels' fifty members are former startup founders and senior operating executives experienced in financing and developing emerging enterprises. They are active investors who have assisted greater than sixty companies to date in a variety of industries with a preference for capital efficient technology companies.Sierra Angels takes a leading role in collaboratively investing with other angel groups in the region and with earlier stage VCs. They also participate actively in the community to facilitate technology-based and entrepreneurial-driven economic expansion in Nevada.

Sierra Angels Contacts

NameEmailPhoneSocials
Donna Jang
Donna Jang Member
Li Han Chan
Li Han Chan Investor
Maggie Tsai
Maggie Tsai Angel Investor
Roland Schumann Chairman

Sign up to unlock verified contacts

Unlock Contacts

See all 6 contacts →

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

Browse database — It's Free!

Find investors for your startup

Search 48,091 investors by industry and country. Emails and phones included.

Any industry
Video Games
Hospitality
EdTech
Restaurants
Google
Construction
Photography
Cryptocurrency
Clean Energy
CleanTech
Big Data
Email
Artificial Intelligence
Social Impact
SaaS
Energy
Mobile
Consumer
Health Care
Enterprise Software
Local
Platforms
Travel
InsurTech
Retail
Oil and Gas
Payments
Film
Fitness
Marketplace
Organic Food
Machine Learning
Agriculture (AgTech)
Gaming
B2B
Facebook
Blockchain
Social Network
Medical Device
Education
Wellness
Sports
Automotive
eSports
Legal
Biotechnology
Software
Renewable Energy
Crowdfunding
Recruiting
Web3
Medical
Theatre
Venture Capital
Social
Infrastructure
Beauty
Fashion
Climate
Life Science
Food and Beverage
Publishing
Mobile Apps
Wine and Spirits
Music
Art
Real Estate
Sporting Goods
Manufacturing
FinTech
Finance
Digital Media
Social Media
Financial Services
Franchise
Non Profit
Internet
Mobile Advertising
Android
Proptech
Impact
Sustainability
Hardware
Biotech
Transportation
Enterprise
Community
Media (Entertainment)
LGBT
Cannabis
Celebrity
Any country
Afghanistan
Greece
United Kingdom
Thailand
United Arab Emirates
Andorra
Benin
South Korea
Japan
Burkina Faso
Africa
Singapore
Brazil
Gibraltar
Egypt
Taiwan
Zimbabwe
Tunisia
Sweden
Oceania
Hong Kong
Nigeria
Togo
Croatia
Iran
Guinea
Haiti
Kyrgyzstan
Norway
Lesotho
Isle of Man
Liberia
Malawi
Nepal
Mexico
Madagascar
Russian Federation
Sudan
Pakistan
Tajikistan
Zambia
Romania
LATAM
Oman
Puerto Rico
Poland
Cameroon
Guernsey
Colombia
Armenia
China
Costa Rica
Czech Republic
Kenya
Kuwait
Marshall Islands
Luxembourg
Malta
Mozambique
Namibia
Mauritius
Nicaragua
Panama
Serbia
Uzbekistan
Australia
New Zealand
Morocco
Saudi Arabia
Sri Lanka
Jamaica
Guatemala
Switzerland
Kazakhstan
Cayman Islands
Venezuela
Myanmar
Uganda
Turkey
Uruguay
Moldova
Botswana
Seychelles
Paraguay
Canada
South Africa
France
Denmark
Georgia
Ghana
Iraq
Latvia
Mali
Malaysia
Philippines
Portugal
Rwanda
Sierra Leone
El Salvador
Senegal
Tanzania
India
Ireland
Germany
United States
Indonesia
Middle East
Dominican Republic
Bermuda
Asia
Albania
Spain
Argentina
Bangladesh
Europe
Barbados
Belgium
Jordan
Ethiopia
Austria
Azerbaijan
Bulgaria
Qatar
Ecuador
Faroe Islands
Jersey
Bahrain
Estonia
Angola
Cyprus
Bahamas
Bolivia
Belize
Algeria
Italy
Belarus
Finland
Hungary
Grenada
Israel
Lithuania
Liechtenstein
Honduras
Iceland
Cambodia
Lebanon
Mongolia
Peru
Slovenia
San Marino
Ukraine
Chile
Vietnam
Angel Investors
VC Funds
All Investors

Similar Investors

Recommended lists

FAQ

What does Harold E. Kruth invest in?

Harold E. Kruth invests primarily in Cloud Computing, Service Industry and Enterprise Software startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

How do I contact Harold E. Kruth?

For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

When did Harold E. Kruth last invest?

The most recent investment recorded for Harold E. Kruth closed in Mar 2011. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

Contact your first 100 investors today

Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.

Find investors — It's Free!
Harold E. Kruth Harold E. Kruth Find email