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

Investment Focus

Industry

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

Investments

CompanyDescriptionRoundLinks
Glue Networks Glue Networks
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
Open Sierra Angels full profile

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

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 Aug 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