Top Board Directors in Greater Los Angeles Area

Jonas Ekblom
President & CEO
Greater Los Angeles Area
President & CEO
President
Chairman of the Board
Board Director
Chairman of the Board
University of Southern California
Uppsala University
Stockholm University
Recommendations: 20
Biotechnology
Lifesciences
Drug Discovery
Pharmaceutical Industry
Drug Development
R&D
Strategic Planning
Pharmacology
Joe Platnick
Director / Board Member
Greater Los Angeles Area
Director / Board Member
Director Emeritus
Company Name Community Development Commission
Board Director - Director of Education
Guest Lecturer
M.I.T.
Recommendations: 17
Venture Capital
SaaS
Digital Media
Web 2.0
Online Advertising
Marketing
CRM
Finance
Apu Mody
CEO and Board Director
Greater Los Angeles Area
CEO and Board Director
President - Mars Food Americas and Middle East
SVP | Managing Director - Consumer Products; VP and GM - Meal Basics; Director Strategic Planning
University of Michigan - Stephen M. Ross School of Business
London Business School
University of Michigan
Recommendations: 15
Cross-functional Team Leadership
Strategic Planning
Strategy
Consumer Products
Start-ups
Mergers
Leadership
Integrated Marketing
Dave Lin
Board Director
Greater Los Angeles Area
Board Director
Director of Strategy; Director of Local and Mobile Search
Chief Financial Officer
University of Pennsylvania - The Wharton School
University of California, Los Angeles
Recommendations: 13
E-commerce
Strategy
Entrepreneurship
Business Development
Online Marketing
Marketing Strategy
Start-ups
Strategic Partnerships
Stan Aaronson
Founder & Owner
Greater Los Angeles Area
Founder & Owner
Zintro Expert
Content Advisory Board Facilitator
Business Advisor
Corporate Treasurer + Board Director
Director of Business Development
Certification Commission Chair
Marketing Manager and Master of Ceremony
Director of Business Development
Chair
On-Air Talent
Membership Recruiter
On-Air Talent
National Recruiter
Public Relations Director
California State University-Northridge
College of the Canyons
University of Nevada-Reno
Recommendations: 13
Event Management
Strategy
Leadership
Business Development
Marketing Strategy
Event Planning
Competitive Analysis
Business Strategy
Michael Schreck
Managing Director/Senior Vice President
Greater Los Angeles Area
Managing Director/Senior Vice President
President and Chief Executive Officer
President and Chief Executive Officer
Board Director
General Partner/Operating Partner
Co-founder
President
Strategy Consultant
Strategy Consultant
Harvard Business School
Brigham Young University
Recommendations: 11
Venture Capital
Private Equity
Growth Capital
Product Innovation
Start-ups
Mobile
Tablets
Social Media
Dominic Engels
President
Greater Los Angeles Area
President
CEO
Board Director
Director, Corporate Development & Strategic Marketing
Managing Director
Vice President / General Manager
Northwestern University - Kellogg School of Management
Dartmouth College
Recommendations: 7
Cross-functional Team Leadership
Retail
Consumer Goods
New Business Development
Strategy
Management
Marketing Strategy
FMCG
Joseph M Murphy
Media Consultant
Greater Los Angeles Area
Media Consultant
Media Consultant
President, Chief Executive Officer, Board Director
Executive Vice-President Sales & Operations
Vice-President of Sales and Co-Founder
Account Manager
Regional Sales Manager
Recommendations: 7
Strategy
Start-ups
Leadership
Cable Television
CRM
B2B
Marketing
New Business Development
Ken Hayes
General Manager Degrees.com
Greater Los Angeles Area
General Manager Degrees.com
Innovation Corps (I-Corps) Adjunct Instructor
Advisory Board Member
Board Director
Board Director Emeritus and Member
INSEAD
Pomona College
Recommendations: 6
Online Advertising
Start-ups
Angel Investing
Strategic Partnerships
Entrepreneurship
Business Development
International Business Management
E-Learning
Pat McIntyre
President - Bicycle and Auto Racing Divisions
Greater Los Angeles Area
President - Bicycle and Auto Racing Divisions
Chief Executive Officer
International Group President
Board Director
University of Southern California
California State University-Long Beach - College of Business Administration
Recommendations: 6
Product Development
Strategic Planning
Business Strategy
New Business Development
Consumer Products
Mergers
Start-ups
Marketing Strategy
Montana Pham
Sr. SQA Analyst
Greater Los Angeles Area
Sr. SQA Analyst
Division Vice President of Research & Development
Chapter Vice President of Research & Development
Division Education Lead
Software Quality Assurance Analyst
Quality Assurance Tester
External Affairs Committee Member
VITA Site Supervisor of Volunteer Income Tax Assistance
Internal Affairs Committee Member
President of Management Information Systems Association
Business & Economics Senator of Associated Students
Support Board Director
Matador Mentor
Orientation Leader
California State University-Northridge
Recommendations: 6
Quality Assurance
Testing
Compliance
Reliable
Microsoft Word
IT Audit
Windows
Community Outreach
Vacit Arat
Board Director
Greater Los Angeles Area
Board Director
President & CEO
Recommendations: 5
Strategic Partnerships
Business Strategy
Marketing Strategy
Business Modeling
Product Strategy
Semiconductor Industry
Deal Structure
Semiconductors
Tamara Stoebe, GRI, e-PRO, CHS (661) 466-6849
Chairwoman Elect
Greater Los Angeles Area
Chairwoman Elect
Independent Associate
Realtor, GRI, e-PRO, CHS
New Member Orientation Instructor
Chairwoman
Board Director
Area Director
2011/13 Chief Ambassador and Member of Board of Directors
2011 Education Committee Chair
2011 Vice President Membership
Escrow Officer
Escrow Officer/Manager
Escrow Officer
Escrow Officer / Manager
Escrow Officer / Manager
Escrow Officer
American InterContinental University
Cabrillo College
Harbor High School
Recommendations: 5
Real Estate
Sellers
Investment Properties
REO
Referrals
Foreclosures
First Time Home Buyers
Investors
Brian Newton
Chief Financial and Operations Officer and Board Director
Greater Los Angeles Area
Chief Financial and Operations Officer and Board Director
Board Director
Founding Partner
Practice Management, Business & Technology Consulting Services
CFO
President & CEO, Co-founder, Board Director
Advisor
Cofounder, COO & CFO, Board Director
Project Executive & Owner's Representative
Principal & CFO
CFO
Co-Founder, CFO & Member of BOD
Associate Director
Management Consultant
Senior Analyst
Certified Public Accountant
UCLA Anderson School of Management
ESADE Business & Law School
Georgetown University
University of Washington
Bellarmine College Preparatory
St. Matthew's Episcopal Day School
Recommendations: 4
Start-ups
Strategic Planning
Due Diligence
Business Development
Finance
Marketing
Technology
Venture Capital
Denny Weinberg
Board Director
Greater Los Angeles Area
Board Director
Board Director and Audit Committee Chair
University of Missouri-Columbia
Recommendations: 3
Healthcare
Medical Devices
Medical Diagnostics
Medical Device Product Development
Business Development
Turn Around Management
Real Estate
Mergers
Olga MBA
Company Name Life Alert Emergency Response, Inc.
Greater Los Angeles Area
Company Name Life Alert Emergency Response, Inc.
Board Director
UCLA Anderson School of Management
University of California, Los Angeles
Recommendations: 3
Marketing Strategy
Online Advertising
Marketing Communications
New Business Development
Advertising
Public Relations
Product Marketing
Marketing
Edgar Mendez
Consolidated Reporting and Analytics
Greater Los Angeles Area
Consolidated Reporting and Analytics
Board Director and Vice President, Private Equity (Los Angeles)
Founding Member and Co-Chair, Membership
Financial Consultant
Senior Financial Consultant
Senior Financial Consultant
Director, Finance
Treasury Director
Senior Finance Manager, Mobile Products
Senior Manager, Partner Management
Finance Manager
Analyst
UCLA
Ventura HS
Recommendations: 3
Financial Modeling
Treasury Management
Financial Planning
Due Diligence
Forecasting
Financial Reporting
Mergers
Financial Analysis
John LaValle
Early Stage Investor and Board Director
Greater Los Angeles Area
Early Stage Investor and Board Director
Chief Executive Officer, Board Member
Chief Executive Officer: COO, CFO, Media Content, Connectivity Solutions, Internet Based Systems
CFO &VP: Financial, Legal, Infrastructure, Wireless, Business Development, Private Equity, Debt
CFO: Business Development, Financial, Legal, Operations, Semiconductor, Intellectual Property
Executive VP: Finance & Operations, Legal, HR, Public & Private Financing, M&A, Internet Solution
Senior VP, CFO: Semiconductors, Operations, Venture capital Funding, Lease Financing, Acquisitions
Senior VP, CFO: Private, Public, Convertible Debt Offering, Acquisition, Working Capital, Finance
VP, CFO: Private, Public Financing, Manufacturing, Superconducting, Business Development, CRM
VP, CFO: Commercial, Investment Banking, CRM, Sales Commission Plans, 401k Tax Deferred Savings
Senior Financial Analyst, Corporate Investment Management Group: Annuity Trusts, Optimization
Harvard Business School
Boston College
Recommendations: 3
Start-ups
Venture Capital
Strategic Partnerships
Entrepreneurship
Business Strategy
E-commerce
Business Development
Strategy
Darren Eng
CEO
Greater Los Angeles Area
CEO
Board Director
Association Management Director
Founder | President
Executive Director
Yale University
Recommendations: 3
Start-ups
Entrepreneurship
Business Development
Strategic Planning
Social Media
Event Planning
Leadership
Integrated Marketing
Mike Elam
Senior Product Designer
Greater Los Angeles Area
Senior Product Designer
Director of Product Development
Director of Product Development
CAD Designer and Project Manager
Owner
Board Director
Founder
Product Development Consultant
Recommendations: 2
Product Design
Product Development
Industrial Design
Manufacturing
Engineering
Product Innovation
Concept Development
Design for Manufacturing
Clare Carey
Board Director
Greater Los Angeles Area
Board Director
President
Office Manager
New York University
Harry Mastrogeorge
Recommendations: 1
Actress, Producer, Director, Writer, Organizer
Entertainment
Film
Film Production
Project Management
Theatre
Stage
Strategic Partnerships
Corinne LeGoff
Company Name Amgen
Greater Los Angeles Area
Company Name Amgen
Board Director of CFAO
Company Name Roche SAS
President Global Business Units Neurology & Rheumatology
Company Name sanofi-aventis
INSEAD
University of Paris I: Panthéon-Sorbonne
Université Paris Descartes
Recommendations: 1
Strategy
Cross-functional Team...
Management
Product Launch
Pharmaceutical Industry
Biotechnology
Commercialization
Business Development
Jason Finger
CEO
Greater Los Angeles Area
CEO
Managing Member
Board Member
Board of Advisors
Board Member
Executive Chairman
Advisor
Chairman
Board Director
CEO
New York University School of Law
NYU Stern School of Business
University of Maryland
Recommendations: 1
Entrepreneurship
E-commerce
Start-ups
Strategic Partnerships
Mergers & Acquisitions
Business Development
Venture Capital
Business Strategy
alex smyth
Board Director
Greater Los Angeles Area
Board Director
President
CEO
project manager
University of Strathclyde
Recommendations: 1
Telecommunications
LTE
UMTS
Wireless
GSM
3G
4G
CDMA
Chuck Davis
CEO & Chairman
Greater Los Angeles Area
CEO & Chairman
Venture Partner
Board Director
Director
Company Name Brown University
Brown University
Harvard Business School
Staples High School
Recommendations: 1
E-commerce
Marketing
Direct Marketing
Advertising
Leadership
Sales
Venture Capital
Entertainment
Tim Cadogan
CEO
Greater Los Angeles Area
CEO
Chief Executive Officer
Board Director
Board Director
Chairman Of The Board
VP of Search
Board Director
Stanford University Graduate School of Business
University of Oxford
The London School of Economics and Political Science (LSE)
Recommendations: 0
Monetization
Strategic Partnerships
Yahoo Search Marketing
Business Performance...
Online Advertising
Leadership
E-commerce
Analytics
Sachin MBA
Board Member
Greater Los Angeles Area
Board Member
Contributor
Senior Institute Associate
Adjunct Professor of Medicine
Board Member
President and CEO, Board Director
Co-Editor-in-Chief and Co-Founder, Healthcare: the Journal of Delivery Science and Innovation
Board Member
Board Member
Harvard Medical School
Harvard Business School
Harvard University
Recommendations: 0
Healthcare
Health Policy
Healthcare Information...
Medicine
Clinical Research
Quality Improvement
Internal Medicine
Informatics
David Weidenbach
CEO
Greater Los Angeles Area
CEO
.
Board Director
Vice President of Sales
Recommendations: 0
Manufacturing
Sales
Leadership
Marketing Strategy
Strategic Planning
Product Development
New Business Development
Entrepreneurship
Michael Schreck
President and Chief Executive Officer
Greater Los Angeles Area
President and Chief Executive Officer
Strategy Consultant
Managing Director
Chief Executive Officer
Corporate Vice President/General Manager
General Partner / Operating Partner
Board Director
Group Senior Vice President
Co-founder
Chief Executive Officer
Harvard University
Brigham Young University
Recommendations: 0
Francis König
Investor
Greater Los Angeles Area
Investor
Investor / Co-Founder
Investor / Board Director
General Securities Principal & Registered Options Principal - Investment Banking
Investor / Board Director
Chairman Of The Board
Co-Founder
Founder / CEO
Founder / CEO
Investor / Board Director
Colorado State University
Chatham
NASD / FINRA
Recommendations: 0
SEO
Start-ups
Venture Capital
HTML 5
Entrepreneurship
Mobile Applications
SEM
Marketing
Kevin Iwashina
Board Director
Greater Los Angeles Area
Board Director
Founder & President
Founder & President
Talent Agent
Administrative Assistant
Front End Manager
University of California, Los Angeles
Recommendations: 0
Entertainment
Film
Film Production
Television
Feature Films
Branded Content
New Media
Digital Media
David Murray
Managing Director
Greater Los Angeles Area
Managing Director
Co-Founder | Chief Executive Officer
Board Director
Co-Founder | Chief Executive Officer
Sales Director
Co-Founder | Director
Managing Director
Co-Founder | Chief Executive Officer
Arizona State University
Notre Dame Academy
Recommendations: 0
Michael Cardito
Managing Director and Co-Portfolio Manager
Greater Los Angeles Area
Managing Director and Co-Portfolio Manager
Board Director
Board Director
Board Director
Board Director
Harvard Business School
Colgate University
Recommendations: 0
Jessica DeLuca
Founder & Board Director
Greater Los Angeles Area
Founder & Board Director
Founder, Chairwoman & CEO
Distinguished Speaker
University of Michigan
Recommendations: 0
E-commerce
Digital Strategy
Blogging
Email Marketing
Online Advertising
Brand Development
Beauty Industry
Digital Marketing
Silvia Mazzucchelli
Board Director
Greater Los Angeles Area
Board Director
Senior Principal
CEO
Board Director
Chief Merchandising Officer
UCLA Anderson School of Management
Stockholm School of Economics
Università Bocconi
Recommendations: 0
Customer Insight
Segmentation
Go-to-market Strategy
New Business Development
Business Development
Brand Management
Retail
Fashion
Michael Yang
Founder & CEO
Greater Los Angeles Area
Founder & CEO
Investor
Investor
Board Director
Founder & CEO
Board Director
UC Berkeley
Columbia University
University of California, Berkeley - Walter A. Haas School of Business
Recommendations: 0
Andrew DeYoung
Director
Greater Los Angeles Area
Director
Vice President
Board Director
Board Observer
Special Advisor to Chairman
Board Director
Brown University
Tuck School of Business at Dartmouth
New Trier High School
Recommendations: 0
Market Research
Business Development
Content Development
Social Media
Project management
Project Planning
Needs Assessment
Work Scheduling
Jo Webber
Advisory Board
Greater Los Angeles Area
Advisory Board
CEO and Founder
Board Director
Board Director
CEO and Board Director
CEO and Board Director
The Nottingham Trent University
Nottingham Trent University
Recommendations: 0
E-commerce
Business Strategy
Software Development
Entrepreneurship
Mergers & Acquisitions
Management Consulting
Mergers
Sales
Steven Pereira
Chief Marketing and Communications Officer (Neustar acquired by Golden Gate Capital)
Greater Los Angeles Area
Chief Marketing and Communications Officer (Neustar acquired by Golden Gate Capital)
Board Director & Co-Founder
Chief Marketing Officer (Datalogix acquired by Oracle)
Executive Vice President & Managing Director
VP Business Development (Visual Sciences acquired by WebSideStory)
Chief Marketing and Communications Officer
Portfolio Manager
Director, Product Marketing and Business Development at Experian Marketing Services
VP Brand Strategy & Marketing Solutions, Oracle Data Cloud
Chief Executive Officer & Co-Founder
VP Marketing & Business Intelligence
Tufts University
MIT Sloan School of Management
El Colegio de México
Recommendations: 0
Christine Danzo
Producer/Consultant
Greater Los Angeles Area
Producer/Consultant
VP of Production
Board Director
Staffing Manager
Consultant
Producer
General Manager
Producer
Studio Excutive - Producer
Production Accountant
University of California, Los Angeles
Recommendations: 0
Post Production
Photoshop
Traditional Animation
Commercials
Broadcast
Digital Media
Flash Animation
Flash
Dean Florez
Senate Majority Leader
Greater Los Angeles Area
Senate Majority Leader
Board Director
California State Senator, representing the 16th Senate District
California State Assemblymember, representing the 30th Assembly District
Harvard Business School
University of California, Los Angeles
Recommendations: 0
John Babcock
Company Name Velocify
Greater Los Angeles Area
Company Name Velocify
Partner
Board Observer
Board Director
Board Director
UCLA Anderson School of Management
Duke University
Polytechnic School
Recommendations: 0
Venture Capital
Investments
SaaS
Entrepreneurship
Private Equity
Start-ups
Business Strategy
Ken Miller
Board Observer
Greater Los Angeles Area
Board Observer
Global Advisor
Investor
Investor
Advisor
Investor
Venture Partner
Board Director
Proprietor
Political Writer
Recommendations: 0
Risk Management
Start-ups
Strategy
E-payments
Fraud
Financial Risk
Payments
Business Strategy
Rich Semler
President
Greater Los Angeles Area
President
Vice President of the Board
Chairman
Practice Leader and Board Director
Vice President
Saint Louis University
Case Western Reserve University
Tufts University
Recommendations: 0
Yoshi Maruyama
Investment Banking Associate
Greater Los Angeles Area
Investment Banking Associate
Chief Executive Officer & Board Director
Board Director
Global Head of Location Based Entertainment
Senior Vice President, Global Business Development
Columbia University in the City of New York
Recommendations: 0
Helen Kim
Board Director
Greater Los Angeles Area
Board Director
Managing Director
Partner
Board Member
Board Member
Board Member
Executive Vice President
Board member
Strategic Advisor formerly Chief Business Officer
Member Board Of Directors
Recommendations: 0
Jim K Song
Board Director
Greater Los Angeles Area
Board Director
Director of Finance
Director & Corporate Secretary
Chair of Community Service
Director of Community Service
Fundraiser
System Engineer
Big Brother
Applications Engineer
Recommendations: 0
Non-profits
Fundraising
Strategic Planning
Microsoft Office
Project Management
Public Speaking
Event Planning
Social Media
James K. Cummings
Associate III
Greater Los Angeles Area
Associate III
CEO
Trustee 1989 - 2014: Board Chair 1995 – 1997; 2001 – 2003; 2010 - 2013
International Board Director
Board Member
University of California, Los Angeles
Recommendations: 0
Public Speaking
Philanthropy
Non-profits
Board Development
Grants
Social Entrepreneurship
Grant Writing
Program Development
Xavier Gutierrez
President & Chief Executive Officer
Greater Los Angeles Area
President & Chief Executive Officer
Committee Member, Advisory Committee on Small and Emerging Companies
Executive Council Member
Board Director & Audit Committee Chairman
Board Director
Board Director
Managing Director
Stanford University Law School
Harvard University
Bellarmine College Preparatory
Recommendations: 0
Private Equity
Investments
Equities
Real Estate
Valuation
Asset Management
Alternative Investments
Acquisitions
Nigel Patrick Daly OBE
Vice President Business Development
Greater Los Angeles Area
Vice President Business Development
Board Director
Founder and Creative Director
Chairman and Board Director
Columbas
Recommendations: 0
Film
Video Production
Screenwriting
New Media
Social Media
Film Finance
Publishing
Marketing Communications
Stefan Nguyen
Co-Founder
Greater Los Angeles Area
Co-Founder
Organizer
Organizer
Interim CEO
Board Director
Treasurer
Co-President
Principal Consultant
Product Director, IT Director
Co-Founder, CTO
Founder
Columbia University - Columbia Business School
Northwestern University
Recommendations: 0
Disruptive Technologies
Monetization
Entrepreneurship
Start-ups
Business
Analytics
Leadership
Business Development
Steve Glick
Manager/Producer
Greater Los Angeles Area
Manager/Producer
Owner
Senior Vice President
Board Director
Worldwide Head of Television Directors Dept., Senior Vice President
Executive Vice President Content and Broadcasting
Georgetown University
Peabody High School
Recommendations: 0
Film
Entertainment
Television
Theatre
Acting
Feature Films
Producing
Marketing
Gentaro Makinoda
Non-Executive Board Director
Greater Los Angeles Area
Non-Executive Board Director
Business Director for BMW Japan Corp.
Account Director
Account Director
Account Manager
Account Executive
University of Southern California
University of Southern California
Recommendations: 0
Strategic Communications
Integrated Marketing
Digital Strategy
Creative Strategy
Media Planning
Digital Marketing
Architectural Design
Sustainable Design
Felipe Negritto
Manager, Planning and Portfolio Management
Greater Los Angeles Area
Manager, Planning and Portfolio Management
Board Director
Recommendations: 0
Felicia Boyd
Division Manager
Greater Los Angeles Area
Division Manager
Board Director
Purdue University
Georgetown University
Recommendations: 0
Transportation Safety
Public Policy
Strategic Planning
Information Technology
Project Management
Business Intelligence
Business Development
Motivational Speaking
Ethel Laczko
National Board Certified Teacher
Greater Los Angeles Area
National Board Certified Teacher
Executive Director
Founder/Facilitator
Board Director & Chairperson for Latino Graduates
Harvard University
Boston University
Instituto Pedagógico Nacional
Recommendations: 0
Higher Education
Curriculum Design
Program Development
Strategic Planning
Team Leadership
Teacher Training
Public Speaking
Teaching
Shea Chambers
Board Director
Greater Los Angeles Area
Board Director
Recording artist
Recommendations: 0
Songwriting
Entertainment
Music Industry
Composition
Music Publishing
Studio Recording
Video Production
Music
Linda Battram-Dorosh
Public Member Board of Directors
Greater Los Angeles Area
Public Member Board of Directors
Board Director, Chair of Salon Fundraising Committee
Attorney
Attorney
Board Member/CEO
Board Member, Board of Overseers
Brethren Hillcrest Homes Retirement Community
Partner Attorney
Instructor
Civil litigation attorney
Legal Research clerk/attorney
California State Polytechnic University, Pomona
Recommendations: 0
Litigation
Civil Litigation
Legal Research
Mediation
Legal Writing
Nonprofits
Courts
Dispute Resolution
Ken Schultz
Practicing Physician//Vice-Chairman, Department of Emergency Medicine
Greater Los Angeles Area
Practicing Physician//Vice-Chairman, Department of Emergency Medicine
Chairman & CEO
Director, In Vivo Editorial Advisory Board
Board Director
Chief Strategic Officer
Vice President of Innovation, Strategy and Business Development
Senior Engagement Manager
Executive Chairman & Interim CEO
Chief of Staff, Strategy, and Business Development
Texas A&M University
IMD (International Institute for Management Development) - Business Programs
Texas Tech University Health Sciences Center
Recommendations: 0
Greg Pope
Part-time Analyst, Strategy Group
Greater Los Angeles Area
Part-time Analyst, Strategy Group
Investments Fellow
Consultant
Principal
Board Director
Managing Director, Sustainability Solutions
Principal
Summer Fellow
Project Leader
Board Director
University of Oxford
University College London, U. of London
Georgetown University
Recommendations: 0
Alin Kim
Marketing Communications Intern
Greater Los Angeles Area
Marketing Communications Intern
Marketing Consultant/Analyst
Social Media Marketing Intern
Marketing Consultant/Analyst
Research Assistant
Marketing Assistant
Videographer and Video Board Director
Social Media Marketing Coordinator
Marketing Specialist
University of the Pacific
University of the Pacific - Eberhardt School of Business
Recommendations: 0
Microsoft Office
Microsoft Excel
PowerPoint
Microsoft Word
Customer Service
Social Media
Fashion
Teamwork