Steve Mankoff
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Steve Mankoff Email & Phone Number

General Partner at TDF Ventures, Strategic Advisory Board at Genstar Capital at TDF Ventures
Location: United States, United States, United States 21 work roles 2 schools
2 work emails found @siebel.com 5 phones found area 240 and 650 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 5 phones

Work email s****@siebel.com
Direct phone (240) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
General Partner at TDF Ventures, Strategic Advisory Board at Genstar Capital
Location
United States, United States, United States

Who is Steve Mankoff? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Steve Mankoff is listed as General Partner at TDF Ventures, Strategic Advisory Board at Genstar Capital at TDF Ventures, based in United States, United States, United States. AeroLeads shows a work email signal at siebel.com, phone signal with area code 240, 650, and a matched LinkedIn profile for Steve Mankoff.

Steve Mankoff previously worked as General Partner at Tdf Ventures and Strategic Advisory Board at Genstar Capital. Steve Mankoff holds Ms, Management from Mit Sloan School Of Management.

Company email context

Email format at TDF Ventures

This section adds company-level context without repeating Steve Mankoff's masked contact details.

{first_initial}{last}@siebel.com
79% confidence

AeroLeads found 2 current-domain work email signals for Steve Mankoff. Compare company email patterns before reaching out.

Profile bio

About Steve Mankoff

General Partner, TDF Ventures; Strategic Advisory Board for Genstar Capital; Board of Directors for Cyncly, Daxko, Prometheus Group and Telestream; Advisor PrioritiAl

Listed skills include Acquisition Integration, Cloud Computing, Saas, Enterprise Software, and 39 others.

Current workplace

Steve Mankoff's current company

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

TDF Ventures
Tdf Ventures
General Partner at TDF Ventures, Strategic Advisory Board at Genstar Capital
AeroLeads page
21 roles · 19 years

Steve Mankoff work experience

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

General Partner

Current

Chevy Chase, Maryland, US

TDF Ventures is an early stage venture capital firm with offices in Washington DC and Silicon Valley. We focus on startups that serve enterprise markets within infrastructure, software, and services (IaaS, SaaS, XaaS). We invest from a $200M permanent pool of capital and are currently investing out of Fund V. We believe in the power of technology to.

2012 - Present ~14 yrs 5 mos

Strategic Advisory Board

Current

San Francisco, CA, US

Board of Directors:Affinipay, Cyncly, Daxko, and Prometheus Group,; Advisor: Lightspeed SystemsFormer Board of Directors: Accruent, Community Brands, ConstructConnect, ConvergeOne, Enverus, Insurity, PDI Software, and Netsmart

2010 - Present ~16 yrs 5 mos

Board Of Directors

Current

Austin, TX, US

2024 - Present ~2 yrs 5 mos

Board Of Directors

Current

Birmingham, AL, US

2021 - Present ~5 yrs 5 mos

Board Of Directors

Current
2021 - Present ~5 yrs 5 mos

Board Of Directors

Current

Raleigh, North Carolina, US

2019 - Present ~7 yrs 5 mos

Board Of Directors

Austin, Texas, US

Majority investment by Hellman & Friedman

2018 - 2021 ~3 yrs

Board Of Directors

Chicago, IL, US

Acquired by CLEARBOX Decisions

2016 - 2021 ~5 yrs

Chairman, Board Of Directors

San Francisco, California, US

Acquired by PagerDuty

2017 - 2020 ~3 yrs

Investor

San Francisco, California, US

Acquired by Salesforce

2016 - 2020 ~4 yrs

Board Of Directors

Alpharetta, Georgia, US

Majority investment by Insight Venture Partners

2017 - 2019 ~2 yrs

Board Of Directors

Palo Alto, CA, US

Acquired by Xactly

2016 - 2018 ~2 yrs

Board Of Directors

Austin, TX, US

Acquired by Fortive

2016 - 2018 ~2 yrs

Board Of Directors

Foster City, CA, US

Acquired by Cheetah Digital

2015 - 2018 ~3 yrs

Board Of Directors

Cincinnati, OH, US

Acquired by Roper Technologies

2014 - 2016 ~2 yrs

Board Of Directors

Overland Park, KS, US

Acquired by Allscripts Healthcare Solutions and GI Partners

2010 - 2016 ~6 yrs

Board Of Directors

Hartford, Connecticut, US

Acquired by TA Associates

2011 - 2014 ~3 yrs

Board Of Directors

Convergeone

Acquired by Clearlake Capital

2007 - 2014 ~7 yrs

Strategic Advisory Board

Redwood City, California, US

2009 - 2013 ~4 yrs

Board Of Directors

San Francisco, CA, US

Acquired by PROS

2007 - 2013 ~6 yrs

Svp Global And Technical Services

Austin, Texas, US

Member of the Founder’s Circle of first employees and the Siebel executive management team. Responsible for Siebel’s global Expert Services, Education, Professional Services, Quality Engineering, Technical Account Management, Technical Support, Customer Satisfaction and Offshore Development programs. The combined organization had over 2,100 employees, over.

Oct 1994 - Feb 2006
2 education records

Steve Mankoff education

Ms, Management

Mit Sloan School Of Management

Bs, Electrical Engineering

Brown University
FAQ

Frequently asked questions about Steve Mankoff

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

What company does Steve Mankoff work for?

Steve Mankoff works for TDF Ventures.

What is Steve Mankoff's role at TDF Ventures?

Steve Mankoff is listed as General Partner at TDF Ventures, Strategic Advisory Board at Genstar Capital at TDF Ventures.

What is Steve Mankoff's email address?

AeroLeads has found 2 work email signals at @siebel.com for Steve Mankoff at TDF Ventures.

What is Steve Mankoff's phone number?

AeroLeads has found 5 phone signal(s) with area code 240, 650 for Steve Mankoff at TDF Ventures.

Where is Steve Mankoff based?

Steve Mankoff is based in United States, United States, United States while working with TDF Ventures.

What companies has Steve Mankoff worked for?

Steve Mankoff has worked for Tdf Ventures, Genstar Capital, Affinipay, Daxko, and Cyncly.

How can I contact Steve Mankoff?

You can use AeroLeads to view verified contact signals for Steve Mankoff at TDF Ventures, including work email, phone, and LinkedIn data when available.

What schools did Steve Mankoff attend?

Steve Mankoff holds Ms, Management from Mit Sloan School Of Management.

What skills is Steve Mankoff known for?

Steve Mankoff is listed with skills including Acquisition Integration, Cloud Computing, Saas, Enterprise Software, Start Ups, Executive Management, Culture Change, and Professional Services.

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