Bill McCullen
Chief Investment Officer bei LaunchCapital LLC
Aktive Beziehungen
| Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
|---|---|---|---|---|
| Denis Place | M | - |
SemiProbe, Inc.
 SemiProbe, Inc. Electronic Equipment/InstrumentsElectronic Technology SemiProbe, inc. designs and produces probing and inspection systems to the semiconductor industry. It offers probe system for life, speciality systems, pilot software suite, lab assistant, and accessories. The company was founded by Denis Place and Mostafa Daoudi in 2005 and is headquartered in Winooski, VT. | 19 Jahre |
| Leon Noel | M | - |
SocialSci, Inc.
 SocialSci, Inc. Commercial Printing/FormsCommercial Services SocialSci, Inc. operates as an online platform that allows conducting scientific process surveys and in lab studies by academic researchers. It provides drag and drop survey creator, advanced logic, live analytics, innovative vetting system, unprecedented participant interaction and instant participant pool. The company was founded by Leon Noel, Mike Schroll and Yalie Harley Trung on July 2, 2010 and is headquartered in Somerville, MA. | - |
| Mostafa Daoudi | M | - |
SemiProbe, Inc.
SemiProbe, Inc. Electronic Equipment/InstrumentsElectronic Technology SemiProbe, inc. designs and produces probing and inspection systems to the semiconductor industry. It offers probe system for life, speciality systems, pilot software suite, lab assistant, and accessories. The company was founded by Denis Place and Mostafa Daoudi in 2005 and is headquartered in Winooski, VT. | 19 Jahre |
| Konstantine Drakonakis | M | - |
LaunchCapital LLC
 LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto.
6K, Inc.
 6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | 16 Jahre |
| Doug Merrill | M | 56 |
SemiProbe, Inc.
SemiProbe, Inc. Electronic Equipment/InstrumentsElectronic Technology SemiProbe, inc. designs and produces probing and inspection systems to the semiconductor industry. It offers probe system for life, speciality systems, pilot software suite, lab assistant, and accessories. The company was founded by Denis Place and Mostafa Daoudi in 2005 and is headquartered in Winooski, VT. | 8 Jahre |
| Elon S. Boms | M | 43 |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | 16 Jahre |
| Alice R Smith | F | - |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | - |
| Susan Hockfield | M | 73 |
Massachusetts Institute of Technology
| 20 Jahre |
| Aaron A. Bent | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| Addie Swartz | F | - |
reacHIRE LLC
 reacHIRE LLC Personnel ServicesCommercial Services reacHIRE LLC provides recruiting, training and placement services. It offers sourcing techniques and cohort-based training curriculums. The company was founded by Addie Swartz in 2013 and is headquartered in Concord, MA. | 11 Jahre |
| Lee Taylor | M | - |
REsurety, Inc.
 REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Isaac Taylor | M | - |
Susquehanna Financial Group LLLP
 Susquehanna Financial Group LLLP Investment Banks/BrokersFinance Susquehanna Financial Group LLLP (SFG) is an institutional broker-dealer headquartered in Bala Cynwyd, Pennsylvania. The firm was founded in 2002 and is a direct subsidiary of SFG Holding LLC, which is owned by Bodel, Inc. SFG offers a full range of order execution and trading flow services, with a focus on delivering innovative trading strategies and execution services to institutional clients.
Massachusetts Institute of Technology
| 23 Jahre |
| Kenneth Westrick | M | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Dung Tuan Trung | M | - |
SocialSci, Inc.
SocialSci, Inc. Commercial Printing/FormsCommercial Services SocialSci, Inc. operates as an online platform that allows conducting scientific process surveys and in lab studies by academic researchers. It provides drag and drop survey creator, advanced logic, live analytics, innovative vetting system, unprecedented participant interaction and instant participant pool. The company was founded by Leon Noel, Mike Schroll and Yalie Harley Trung on July 2, 2010 and is headquartered in Somerville, MA. | - |
| Rich Santoroski | M | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Sinéad Barry-O’Brien | F | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Adam Sharkawy | M | 58 |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | 7 Jahre |
| Mahzarin Banaji | M | - |
SocialSci, Inc.
SocialSci, Inc. Commercial Printing/FormsCommercial Services SocialSci, Inc. operates as an online platform that allows conducting scientific process surveys and in lab studies by academic researchers. It provides drag and drop survey creator, advanced logic, live analytics, innovative vetting system, unprecedented participant interaction and instant participant pool. The company was founded by Leon Noel, Mike Schroll and Yalie Harley Trung on July 2, 2010 and is headquartered in Somerville, MA. | - |
| Shawn Broderick | M | - |
SocialSci, Inc.
SocialSci, Inc. Commercial Printing/FormsCommercial Services SocialSci, Inc. operates as an online platform that allows conducting scientific process surveys and in lab studies by academic researchers. It provides drag and drop survey creator, advanced logic, live analytics, innovative vetting system, unprecedented participant interaction and instant participant pool. The company was founded by Leon Noel, Mike Schroll and Yalie Harley Trung on July 2, 2010 and is headquartered in Somerville, MA. | - |
| Alexander Arkin | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | 4 Jahre |
| Lisa Pizzagalli | F | - |
SemiProbe, Inc.
SemiProbe, Inc. Electronic Equipment/InstrumentsElectronic Technology SemiProbe, inc. designs and produces probing and inspection systems to the semiconductor industry. It offers probe system for life, speciality systems, pilot software suite, lab assistant, and accessories. The company was founded by Denis Place and Mostafa Daoudi in 2005 and is headquartered in Winooski, VT. | - |
| David Michael | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| Paul Gaynor | M | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Joe Kennedy | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | 3 Jahre |
| Saurabh Ullal | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| F. William Marshall | M | 82 |
Worcester Polytechnic Institute
| 39 Jahre |
| Amy Villeneuve | F | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Mank Stephen | M | - |
SemiProbe, Inc.
SemiProbe, Inc. Electronic Equipment/InstrumentsElectronic Technology SemiProbe, inc. designs and produces probing and inspection systems to the semiconductor industry. It offers probe system for life, speciality systems, pilot software suite, lab assistant, and accessories. The company was founded by Denis Place and Mostafa Daoudi in 2005 and is headquartered in Winooski, VT. | - |
| Marin Soljacic | M | - |
Massachusetts Institute of Technology
| 19 Jahre |
| Edward Liddy | M | 78 |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | 2 Jahre |
| Clifford Sirlin | M | - |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | 7 Jahre |
| David Shen | M | - |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | 13 Jahre |
| Alexander S. Arkin | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| David Seldin | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| Laura Barker Morse | F | - |
reacHIRE LLC
reacHIRE LLC Personnel ServicesCommercial Services reacHIRE LLC provides recruiting, training and placement services. It offers sourcing techniques and cohort-based training curriculums. The company was founded by Addie Swartz in 2013 and is headquartered in Concord, MA. | - |
| Daniel Goldman | M | - |
REsurety, Inc.
REsurety, Inc. Miscellaneous Commercial ServicesCommercial Services REsurety, Inc. provides services on wind power projects. It offers hedge assessment, risk transfer optimization, and bundled price and volume hedging. The company was founded by Lee Taylor and Kenneth Westrick and is headquartered in Boston, MA. | - |
| Kedar P. Gupta | M | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
| Yue Nien Tang | M | 73 |
Massachusetts Institute of Technology
| 20 Jahre |
| Woody Benson | M | 65 |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | 8 Jahre |
| James Friedman | M | - |
Susquehanna Financial Group LLLP
Susquehanna Financial Group LLLP Investment Banks/BrokersFinance Susquehanna Financial Group LLLP (SFG) is an institutional broker-dealer headquartered in Bala Cynwyd, Pennsylvania. The firm was founded in 2002 and is a direct subsidiary of SFG Holding LLC, which is owned by Bodel, Inc. SFG offers a full range of order execution and trading flow services, with a focus on delivering innovative trading strategies and execution services to institutional clients. | 18 Jahre |
| Gloria Larson | F | 74 |
reacHIRE LLC
reacHIRE LLC Personnel ServicesCommercial Services reacHIRE LLC provides recruiting, training and placement services. It offers sourcing techniques and cohort-based training curriculums. The company was founded by Addie Swartz in 2013 and is headquartered in Concord, MA. | 5 Jahre |
| Robert Langer | M | 74 |
Massachusetts Institute of Technology
| 19 Jahre |
| Judy Lee | F | - |
6K, Inc.
6K, Inc. Chemicals: Major DiversifiedProcess Industries 6k, Inc. engages in the development, commercialization, and implementation of plasma technologies for the production of nanomaterials. Its proprietary platform, UniMelt, enables customers to tailor ceramic, metal, or composite materials to their specifications. The company was founded by Kamal Hadidi in 2014 and is headquartered in North Andover, MA. | - |
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Ehemalige Beziehungen
| Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
|---|---|---|---|---|
| Mehrdad Givehchi | M | 59 |
Worcester Polytechnic Institute
Mintera Corp.
 Mintera Corp. Trucks/Construction/Farm MachineryProducer Manufacturing Mintera's world-class team has a strong track record in introducing leading edge products and satisfying customers in the most demanding environments. Mintera is backed by prestigious venture capital firms and is already serving the requirements of partners world-wide. Mintera's solutions enable easy deployment of next generation 40 Gbps optical transport in metro-core, regional, long- haul and ultra long-haul optical networks. With products ready for deployment today, it is the company to turn to when customers need help implementing 40 Gigabit per second (Gbps) solutions. Mintera's flexible multi-service 40 Gbps product-set, protected by multiple pending patents, enables service providers to seamlessly and cost effectively to upgrade their existing infrastructure to 40 Gbps in an evolutionary fashion and preserve existing investments by adding this capability to currently installed networks. | 13 Jahre |
| Michael Zhang | M | - |
Massachusetts Institute of Technology
| 11 Jahre |
| Anthony J. Petrillo | M | 54 | 16 Jahre | |
| Robert C. Gremley | M | 58 |
Worcester Polytechnic Institute
| 6 Jahre |
| Gregg Moskowitz | M | - |
Susquehanna Financial Group LLLP
Susquehanna Financial Group LLLP Investment Banks/BrokersFinance Susquehanna Financial Group LLLP (SFG) is an institutional broker-dealer headquartered in Bala Cynwyd, Pennsylvania. The firm was founded in 2002 and is a direct subsidiary of SFG Holding LLC, which is owned by Bodel, Inc. SFG offers a full range of order execution and trading flow services, with a focus on delivering innovative trading strategies and execution services to institutional clients. | 4 Jahre |
| Francis O'Sullivan | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Ram Woo | M | - |
Massachusetts Institute of Technology
| 5 Jahre |
| Bryce Kim | M | - |
Massachusetts Institute of Technology
| 12 Jahre |
| Jay Kapoor | M | - |
LaunchCapital LLC
LaunchCapital LLC Investment ManagersFinance LaunchCapital LLC (LaunchCapital) is a venture capital firm founded in 2008 by Elon S. Boms. The firm is headquartered in New Haven, Connecticut, Other offices in New York City, San Francisco and Palo Alto. | 2 Jahre |
| Rahul Agrawal | M | 44 |
Massachusetts Institute of Technology
| 5 Jahre |
| Patrick Michael McCaney | M | 43 |
Massachusetts Institute of Technology
| 5 Jahre |
| Nathan Hans Vantzelfde | M | - |
Massachusetts Institute of Technology
| 5 Jahre |
| J. P. Michael Motion | M | - |
Massachusetts Institute of Technology
| 6 Jahre |
| Mia Y. Qian | M | - |
Massachusetts Institute of Technology
| 5 Jahre |
| John W. Gerdelman | M | 71 | 14 Jahre | |
| Zhen Li | M | 38 |
Massachusetts Institute of Technology
| 5 Jahre |
| Jim Walker | M | - |
Massachusetts Institute of Technology
| 1 Jahre |
| Rachel Sheinbein | F | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Giovanni Barbarossa | M | 62 |
Bell Laboratories
 Bell Laboratories Miscellaneous Commercial ServicesCommercial Services Bell Laboratories provides research and development services. It provides communications technologies including transistors, digital networking, signal processing, lasers and fiber-optic communications systems, communication satellites, cellular telephony, electronic switching of calls, touch-tone dialing and modems. The company was founded in 1925 and is headquartered in Murray Hill, NJ. | 2 Jahre |
| Michael Speerschneider | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Ishan Sachdev | M | - |
Massachusetts Institute of Technology
| 5 Jahre |
| Kevin Wang | M | - |
Massachusetts Institute of Technology
| 5 Jahre |
| Brian T. Niemiec | M | - |
Susquehanna Financial Group LLLP
Susquehanna Financial Group LLLP Investment Banks/BrokersFinance Susquehanna Financial Group LLLP (SFG) is an institutional broker-dealer headquartered in Bala Cynwyd, Pennsylvania. The firm was founded in 2002 and is a direct subsidiary of SFG Holding LLC, which is owned by Bodel, Inc. SFG offers a full range of order execution and trading flow services, with a focus on delivering innovative trading strategies and execution services to institutional clients. | - |
| Nicholas Nguyen | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| David New | M | - |
Massachusetts Institute of Technology
| 1 Jahre |
| Patrick Lo | M | 42 |
Massachusetts Institute of Technology
| 4 Jahre |
| Aron J. Cooper | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Aaron Bryson | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Rhett K. Hunter | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Matya Y. Gilbert-Schachter | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Nadim Hatem Khalil Al-Salem | M | 37 |
Massachusetts Institute of Technology
| 4 Jahre |
| Lisa Jakobovits | F | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Eric R. Cosman | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Saagar Kamal Gupta | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Bala Ganesan | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Olga Tatar | F | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Kyle Todd Doherty | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Rodrigo Canales | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Salim Hart | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Jessica Matheron | F | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Josh Mahon | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Alexander Taussig | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Hassan Chowdhry | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Steven Kahl | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Yerlan Manatayev | M | 43 |
Massachusetts Institute of Technology
| 1 Jahre |
| Maxat Rahimzhanovich Kabashev | M | 57 |
Massachusetts Institute of Technology
| 2 Jahre |
| Andrey Olegovich Ilmenskiy | M | 51 |
Massachusetts Institute of Technology
| 2 Jahre |
| Brian Scott Hennessey | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Kenji Kobuse | M | - |
Massachusetts Institute of Technology
| 2 Jahre |
| Alice Chiang | F | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Erdem M. Kiciman | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Ted Keith | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Arvinder Saluja | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Daniel Dongjin Kim | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
| Yongchun Tian | M | - |
Massachusetts Institute of Technology
| 1 Jahre |
| William Li | M | - |
Massachusetts Institute of Technology
| 3 Jahre |
| Ruben J. Rodrigues | M | - |
Massachusetts Institute of Technology
| 4 Jahre |
Statistik
| Land | Beziehungen | % des Gesamten |
|---|---|---|
| Vereinigte Staaten | 100 | 100,00% |
Alter der Beziehungen
Aktive
Vergangene
Herr
Frau
Aufsichtsräte
Führungskräfte
Ursprung der Beziehungen
- Börse
- Insiders
- Bill McCullen
- Persönliches Netzwerk